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Finding the Third Proportional to 118,687,740 and 250,128,120

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Solution

The third proportional to 118,687,740 and 250,128,120 is: 527,131,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,687,740 : 250,128,120 = 250,128,120 : x
  2. Step 2: Convert to fraction form
    118,687,740/250,128,120 = 250,128,120/x
  3. Step 3: Cross multiply
    118,687,740x = 250,128,120 × 250,128,120
  4. Step 4: Simplify right side
    118,687,740x = 62,564,076,414,734,400
  5. Step 5: Solve for x
    x = 62,564,076,414,734,400/118,687,740
  6. Step 6: Final answer
    x = 527,131,752.74

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.