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Finding the Third Proportional to 80,581,000 and 172,650,080

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Solution

The third proportional to 80,581,000 and 172,650,080 is: 369,914,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,581,000 : 172,650,080 = 172,650,080 : x
  2. Step 2: Convert to fraction form
    80,581,000/172,650,080 = 172,650,080/x
  3. Step 3: Cross multiply
    80,581,000x = 172,650,080 × 172,650,080
  4. Step 4: Simplify right side
    80,581,000x = 29,808,050,124,006,400
  5. Step 5: Solve for x
    x = 29,808,050,124,006,400/80,581,000
  6. Step 6: Final answer
    x = 369,914,125.22

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.