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Finding the Third Proportional to 62,423.79 and 137,572.17

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Solution

The third proportional to 62,423.79 and 137,572.17 is: 303,187.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,423.79 : 137,572.17 = 137,572.17 : x
  2. Step 2: Convert to fraction form
    62,423.79/137,572.17 = 137,572.17/x
  3. Step 3: Cross multiply
    62,423.79x = 137,572.17 × 137,572.17
  4. Step 4: Simplify right side
    62,423.79x = 18,926,102,474.40
  5. Step 5: Solve for x
    x = 18,926,102,474.40/62,423.79
  6. Step 6: Final answer
    x = 303,187.34

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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.