Copying a chart in Excel and pasting it in a specific place in a Powerpoint slide ?

I have a simple code that copies the chart and places it in the middle of the Powerpoint slide

Dim PPApp  As PowerPoint.Application
Dim PPPres As PowerPoint.Presentation
Dim PPSlide As PowerPoint.Slide
    Set PPApp = GetObject(, "Powerpoint.Application")
    ' Reference active presentation
    Set PPPres = PPApp.ActivePresentation
    PPApp.ActiveWindow.ViewType = ppViewSlide

    ThisWorkbook.Sheets(1).ChartObjects("Chart 3").CopyPicture
    With PPPres.Slides(2).Shapes.Paste
        .Align msoAlignCenters, True
        .Align msoAlignMiddles, True
    End With

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My primary question is how do I specify the exact position at which to paste the chart? I came across some code that will do the positioning but I can't figure out how to adapt it:

Set oSlide = ActivePresentation.Slides(lCurrSlide)
Set oShape = oSlide.Shapes.Paste
oShape.top = 10
oShape.Left = 10
oShape.Width = 282
oShape.Height = 192

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Eventually I would also like to open the presentation based on these parameters but first I want to get the positioning done.

Thanks,
John