Finding the Third Proportional to 87,900,396 and 129,310,272
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Solution
The third proportional to 87,900,396 and 129,310,272 is: 190,228,340.32
Step by Step Solution
- Step 1: Write the proportion equation
87,900,396 : 129,310,272 = 129,310,272 : x - Step 2: Convert to fraction form
87,900,396/129,310,272 = 129,310,272/x - Step 3: Cross multiply
87,900,396x = 129,310,272 × 129,310,272 - Step 4: Simplify right side
87,900,396x = 16,721,146,444,713,984 - Step 5: Solve for x
x = 16,721,146,444,713,984/87,900,396 - Step 6: Final answer
x = 190,228,340.32
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.