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Finding the Third Proportional to 62,424 and 133,680

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Solution

The third proportional to 62,424 and 133,680 is: 286,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,424 : 133,680 = 133,680 : x
  2. Step 2: Convert to fraction form
    62,424/133,680 = 133,680/x
  3. Step 3: Cross multiply
    62,424x = 133,680 × 133,680
  4. Step 4: Simplify right side
    62,424x = 17,870,342,400
  5. Step 5: Solve for x
    x = 17,870,342,400/62,424
  6. Step 6: Final answer
    x = 286,273.59

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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.