Finding the Third Proportional to 316,565,915 and 687,276,118
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Solution
The third proportional to 316,565,915 and 687,276,118 is: 1,492,101,454.99
Step by Step Solution
- Step 1: Write the proportion equation
316,565,915 : 687,276,118 = 687,276,118 : x - Step 2: Convert to fraction form
316,565,915/687,276,118 = 687,276,118/x - Step 3: Cross multiply
316,565,915x = 687,276,118 × 687,276,118 - Step 4: Simplify right side
316,565,915x = 472,348,462,373,149,952 - Step 5: Solve for x
x = 472,348,462,373,149,952/316,565,915 - Step 6: Final answer
x = 1,492,101,454.99
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.