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Finding the Third Proportional to 63,668,247 and 136,413,639

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Solution

The third proportional to 63,668,247 and 136,413,639 is: 292,275,691.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,668,247 : 136,413,639 = 136,413,639 : x
  2. Step 2: Convert to fraction form
    63,668,247/136,413,639 = 136,413,639/x
  3. Step 3: Cross multiply
    63,668,247x = 136,413,639 × 136,413,639
  4. Step 4: Simplify right side
    63,668,247x = 18,608,680,905,222,320
  5. Step 5: Solve for x
    x = 18,608,680,905,222,320/63,668,247
  6. Step 6: Final answer
    x = 292,275,691.29

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.