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Finding the Third Proportional to 62,890 and 136,692

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Solution

The third proportional to 62,890 and 136,692 is: 297,101.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,890 : 136,692 = 136,692 : x
  2. Step 2: Convert to fraction form
    62,890/136,692 = 136,692/x
  3. Step 3: Cross multiply
    62,890x = 136,692 × 136,692
  4. Step 4: Simplify right side
    62,890x = 18,684,702,864
  5. Step 5: Solve for x
    x = 18,684,702,864/62,890
  6. Step 6: Final answer
    x = 297,101.33

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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.