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Finding the Third Proportional to 125,861 and 165,098

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Solution

The third proportional to 125,861 and 165,098 is: 216,567.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,861 : 165,098 = 165,098 : x
  2. Step 2: Convert to fraction form
    125,861/165,098 = 165,098/x
  3. Step 3: Cross multiply
    125,861x = 165,098 × 165,098
  4. Step 4: Simplify right side
    125,861x = 27,257,349,604
  5. Step 5: Solve for x
    x = 27,257,349,604/125,861
  6. Step 6: Final answer
    x = 216,567.08

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.