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Finding the Third Proportional to 62,311 and 135,139

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Solution

The third proportional to 62,311 and 135,139 is: 293,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,311 : 135,139 = 135,139 : x
  2. Step 2: Convert to fraction form
    62,311/135,139 = 135,139/x
  3. Step 3: Cross multiply
    62,311x = 135,139 × 135,139
  4. Step 4: Simplify right side
    62,311x = 18,262,549,321
  5. Step 5: Solve for x
    x = 18,262,549,321/62,311
  6. Step 6: Final answer
    x = 293,087.08

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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.