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Finding the Third Proportional to 62.44 and 135.19

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Solution

The third proportional to 62.44 and 135.19 is: 292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62.44 : 135.19 = 135.19 : x
  2. Step 2: Convert to fraction form
    62.44/135.19 = 135.19/x
  3. Step 3: Cross multiply
    62.44x = 135.19 × 135.19
  4. Step 4: Simplify right side
    62.44x = 18,275.66
  5. Step 5: Solve for x
    x = 18,275.66/62.44
  6. Step 6: Final answer
    x = 292.70

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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.