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Finding the Third Proportional to 117,487,098 and 255,877,542

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Solution

The third proportional to 117,487,098 and 255,877,542 is: 557,280,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,487,098 : 255,877,542 = 255,877,542 : x
  2. Step 2: Convert to fraction form
    117,487,098/255,877,542 = 255,877,542/x
  3. Step 3: Cross multiply
    117,487,098x = 255,877,542 × 255,877,542
  4. Step 4: Simplify right side
    117,487,098x = 65,473,316,499,961,760
  5. Step 5: Solve for x
    x = 65,473,316,499,961,760/117,487,098
  6. Step 6: Final answer
    x = 557,280,906.71

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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.