Finding the Third Proportional to 72,726,545 and 156,989,731
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Solution
The third proportional to 72,726,545 and 156,989,731 is: 338,882,805.99
Step by Step Solution
- Step 1: Write the proportion equation
72,726,545 : 156,989,731 = 156,989,731 : x - Step 2: Convert to fraction form
72,726,545/156,989,731 = 156,989,731/x - Step 3: Cross multiply
72,726,545x = 156,989,731 × 156,989,731 - Step 4: Simplify right side
72,726,545x = 24,645,775,639,452,360 - Step 5: Solve for x
x = 24,645,775,639,452,360/72,726,545 - Step 6: Final answer
x = 338,882,805.99
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.