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Finding the Third Proportional to 71,969,522 and 156,717,600

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Solution

The third proportional to 71,969,522 and 156,717,600 is: 341,261,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,969,522 : 156,717,600 = 156,717,600 : x
  2. Step 2: Convert to fraction form
    71,969,522/156,717,600 = 156,717,600/x
  3. Step 3: Cross multiply
    71,969,522x = 156,717,600 × 156,717,600
  4. Step 4: Simplify right side
    71,969,522x = 24,560,406,149,760,000
  5. Step 5: Solve for x
    x = 24,560,406,149,760,000/71,969,522
  6. Step 6: Final answer
    x = 341,261,209.85

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.