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Finding the Third Proportional to 106,516 and 165,612

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Solution

The third proportional to 106,516 and 165,612 is: 257,494.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,516 : 165,612 = 165,612 : x
  2. Step 2: Convert to fraction form
    106,516/165,612 = 165,612/x
  3. Step 3: Cross multiply
    106,516x = 165,612 × 165,612
  4. Step 4: Simplify right side
    106,516x = 27,427,334,544
  5. Step 5: Solve for x
    x = 27,427,334,544/106,516
  6. Step 6: Final answer
    x = 257,494.97

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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.