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Finding the Third Proportional to 177,788,680 and 267,156,386

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Solution

The third proportional to 177,788,680 and 267,156,386 is: 401,445,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788,680 : 267,156,386 = 267,156,386 : x
  2. Step 2: Convert to fraction form
    177,788,680/267,156,386 = 267,156,386/x
  3. Step 3: Cross multiply
    177,788,680x = 267,156,386 × 267,156,386
  4. Step 4: Simplify right side
    177,788,680x = 71,372,534,580,580,992
  5. Step 5: Solve for x
    x = 71,372,534,580,580,992/177,788,680
  6. Step 6: Final answer
    x = 401,445,888.35

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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.