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Finding the Third Proportional to 29,115.50 and 62,381.50

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Solution

The third proportional to 29,115.50 and 62,381.50 is: 133,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,115.50 : 62,381.50 = 62,381.50 : x
  2. Step 2: Convert to fraction form
    29,115.50/62,381.50 = 62,381.50/x
  3. Step 3: Cross multiply
    29,115.50x = 62,381.50 × 62,381.50
  4. Step 4: Simplify right side
    29,115.50x = 3,891,451,542.25
  5. Step 5: Solve for x
    x = 3,891,451,542.25/29,115.50
  6. Step 6: Final answer
    x = 133,655.67

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.