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Finding the Third Proportional to 177,788,920 and 267,156,715

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Solution

The third proportional to 177,788,920 and 267,156,715 is: 401,446,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788,920 : 267,156,715 = 267,156,715 : x
  2. Step 2: Convert to fraction form
    177,788,920/267,156,715 = 267,156,715/x
  3. Step 3: Cross multiply
    177,788,920x = 267,156,715 × 267,156,715
  4. Step 4: Simplify right side
    177,788,920x = 71,372,710,369,591,224
  5. Step 5: Solve for x
    x = 71,372,710,369,591,224/177,788,920
  6. Step 6: Final answer
    x = 401,446,335.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.