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Finding the Third Proportional to 63,945,020 and 140,644,624

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Solution

The third proportional to 63,945,020 and 140,644,624 is: 309,342,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,945,020 : 140,644,624 = 140,644,624 : x
  2. Step 2: Convert to fraction form
    63,945,020/140,644,624 = 140,644,624/x
  3. Step 3: Cross multiply
    63,945,020x = 140,644,624 × 140,644,624
  4. Step 4: Simplify right side
    63,945,020x = 19,780,910,260,101,376
  5. Step 5: Solve for x
    x = 19,780,910,260,101,376/63,945,020
  6. Step 6: Final answer
    x = 309,342,467.33

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.