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Finding the Third Proportional to 69,160 and 106,982

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Solution

The third proportional to 69,160 and 106,982 is: 165,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,160 : 106,982 = 106,982 : x
  2. Step 2: Convert to fraction form
    69,160/106,982 = 106,982/x
  3. Step 3: Cross multiply
    69,160x = 106,982 × 106,982
  4. Step 4: Simplify right side
    69,160x = 11,445,148,324
  5. Step 5: Solve for x
    x = 11,445,148,324/69,160
  6. Step 6: Final answer
    x = 165,487.97

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.