Photoshop gives wrong image size and resolution

I have an image file. I know to be 15.25 x 8.75" with a resolution of 300. But Photoshop tells me it is 45 x 50" with a resolution of seventy-two. I get the same numbers if I go to Windows Explorer and get the properties.
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David Johnson, CD, MVPRetiredCommented:
where is your source of knowledge that it is 8.75" x 15,25" @ 300 dpi?  Explorer and Photoshop use pixels not inches.
fblack61Author Commented:
The person I received it from and the person I sent it to who has Photoshop. Photoshop can use pixels or inches.
Jim RiddlesPrepress/OMS SpecialistCommented:
It isn't too unusual for a graphic artist to give a different DPI measurement.  15.25" x 8.75" at 300 DPI would translate to 63.542" x 36.458" at 72 DPI.

I'm assuming the person who sent you the image sent the raw image, rather than a treated image.   Your image of 45" x 50" at 72 DPI would translate to 10.8" x 12" at 300 DPI.
fblack61Author Commented:
Thank you. But how can I tell what resolution they sent it with?
David Johnson, CD, MVPRetiredCommented:
Windows Explorer shows the information.

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