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Finding the Third Proportional to 62,785.13 and 136,630.55

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Solution

The third proportional to 62,785.13 and 136,630.55 is: 297,330.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,785.13 : 136,630.55 = 136,630.55 : x
  2. Step 2: Convert to fraction form
    62,785.13/136,630.55 = 136,630.55/x
  3. Step 3: Cross multiply
    62,785.13x = 136,630.55 × 136,630.55
  4. Step 4: Simplify right side
    62,785.13x = 18,667,906,339.36
  5. Step 5: Solve for x
    x = 18,667,906,339.36/62,785.13
  6. Step 6: Final answer
    x = 297,330.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.