Finding the Third Proportional to 438,988,775 and 630,980,863
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Solution
The third proportional to 438,988,775 and 630,980,863 is: 906,940,842.56
Step by Step Solution
- Step 1: Write the proportion equation
438,988,775 : 630,980,863 = 630,980,863 : x - Step 2: Convert to fraction form
438,988,775/630,980,863 = 630,980,863/x - Step 3: Cross multiply
438,988,775x = 630,980,863 × 630,980,863 - Step 4: Simplify right side
438,988,775x = 398,136,849,472,224,768 - Step 5: Solve for x
x = 398,136,849,472,224,768/438,988,775 - Step 6: Final answer
x = 906,940,842.56
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Why These Related Problems?
These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.