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Finding the Third Proportional to 63,952,412 and 140,656,488

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Solution

The third proportional to 63,952,412 and 140,656,488 is: 309,358,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,952,412 : 140,656,488 = 140,656,488 : x
  2. Step 2: Convert to fraction form
    63,952,412/140,656,488 = 140,656,488/x
  3. Step 3: Cross multiply
    63,952,412x = 140,656,488 × 140,656,488
  4. Step 4: Simplify right side
    63,952,412x = 19,784,247,616,494,144
  5. Step 5: Solve for x
    x = 19,784,247,616,494,144/63,952,412
  6. Step 6: Final answer
    x = 309,358,896.68

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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.