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Finding the Third Proportional to 62,860 and 136,628

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Solution

The third proportional to 62,860 and 136,628 is: 296,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,860 : 136,628 = 136,628 : x
  2. Step 2: Convert to fraction form
    62,860/136,628 = 136,628/x
  3. Step 3: Cross multiply
    62,860x = 136,628 × 136,628
  4. Step 4: Simplify right side
    62,860x = 18,667,210,384
  5. Step 5: Solve for x
    x = 18,667,210,384/62,860
  6. Step 6: Final answer
    x = 296,964.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.