Finding the Third Proportional to 687,781.13 and 1,618,320.09
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Solution
The third proportional to 687,781.13 and 1,618,320.09 is: 3,807,839.20
Step by Step Solution
- Step 1: Write the proportion equation
687,781.13 : 1,618,320.09 = 1,618,320.09 : x - Step 2: Convert to fraction form
687,781.13/1,618,320.09 = 1,618,320.09/x - Step 3: Cross multiply
687,781.13x = 1,618,320.09 × 1,618,320.09 - Step 4: Simplify right side
687,781.13x = 2,618,959,925,835.01 - Step 5: Solve for x
x = 2,618,959,925,835.01/687,781.13 - Step 6: Final answer
x = 3,807,839.20
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These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.