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Finding the Third Proportional to 63,809,924 and 140,379,400

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Solution

The third proportional to 63,809,924 and 140,379,400 is: 308,829,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,809,924 : 140,379,400 = 140,379,400 : x
  2. Step 2: Convert to fraction form
    63,809,924/140,379,400 = 140,379,400/x
  3. Step 3: Cross multiply
    63,809,924x = 140,379,400 × 140,379,400
  4. Step 4: Simplify right side
    63,809,924x = 19,706,375,944,360,000
  5. Step 5: Solve for x
    x = 19,706,375,944,360,000/63,809,924
  6. Step 6: Final answer
    x = 308,829,327.93

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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.