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Finding the Third Proportional to 177,788,658 and 267,156,315

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Solution

The third proportional to 177,788,658 and 267,156,315 is: 401,445,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,788,658 : 267,156,315 = 267,156,315 : x
  2. Step 2: Convert to fraction form
    177,788,658/267,156,315 = 267,156,315/x
  3. Step 3: Cross multiply
    177,788,658x = 267,156,315 × 267,156,315
  4. Step 4: Simplify right side
    177,788,658x = 71,372,496,644,379,224
  5. Step 5: Solve for x
    x = 71,372,496,644,379,224/177,788,658
  6. Step 6: Final answer
    x = 401,445,724.64

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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.