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Finding the Third Proportional to 106,993 and 165,581

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Solution

The third proportional to 106,993 and 165,581 is: 256,251.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,993 : 165,581 = 165,581 : x
  2. Step 2: Convert to fraction form
    106,993/165,581 = 165,581/x
  3. Step 3: Cross multiply
    106,993x = 165,581 × 165,581
  4. Step 4: Simplify right side
    106,993x = 27,417,067,561
  5. Step 5: Solve for x
    x = 27,417,067,561/106,993
  6. Step 6: Final answer
    x = 256,251.04

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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.