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Finding the Third Proportional to 29,221.75 and 63,910.75

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Solution

The third proportional to 29,221.75 and 63,910.75 is: 139,778.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.75 : 63,910.75 = 63,910.75 : x
  2. Step 2: Convert to fraction form
    29,221.75/63,910.75 = 63,910.75/x
  3. Step 3: Cross multiply
    29,221.75x = 63,910.75 × 63,910.75
  4. Step 4: Simplify right side
    29,221.75x = 4,084,583,965.56
  5. Step 5: Solve for x
    x = 4,084,583,965.56/29,221.75
  6. Step 6: Final answer
    x = 139,778.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.