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Finding the Third Proportional to 63,952,405.88 and 140,656,474.69

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Solution

The third proportional to 63,952,405.88 and 140,656,474.69 is: 309,358,867.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,952,405.88 : 140,656,474.69 = 140,656,474.69 : x
  2. Step 2: Convert to fraction form
    63,952,405.88/140,656,474.69 = 140,656,474.69/x
  3. Step 3: Cross multiply
    63,952,405.88x = 140,656,474.69 × 140,656,474.69
  4. Step 4: Simplify right side
    63,952,405.88x = 19,784,243,871,515,328
  5. Step 5: Solve for x
    x = 19,784,243,871,515,328/63,952,405.88
  6. Step 6: Final answer
    x = 309,358,867.75

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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.