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Finding the Third Proportional to 63,572,157 and 137,305,605

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Solution

The third proportional to 63,572,157 and 137,305,605 is: 296,557,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,572,157 : 137,305,605 = 137,305,605 : x
  2. Step 2: Convert to fraction form
    63,572,157/137,305,605 = 137,305,605/x
  3. Step 3: Cross multiply
    63,572,157x = 137,305,605 × 137,305,605
  4. Step 4: Simplify right side
    63,572,157x = 18,852,829,164,416,024
  5. Step 5: Solve for x
    x = 18,852,829,164,416,024/63,572,157
  6. Step 6: Final answer
    x = 296,557,959.55

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.