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Finding the Third Proportional to 107,859.38 and 169,207.88

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Solution

The third proportional to 107,859.38 and 169,207.88 is: 265,450.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,859.38 : 169,207.88 = 169,207.88 : x
  2. Step 2: Convert to fraction form
    107,859.38/169,207.88 = 169,207.88/x
  3. Step 3: Cross multiply
    107,859.38x = 169,207.88 × 169,207.88
  4. Step 4: Simplify right side
    107,859.38x = 28,631,304,962.02
  5. Step 5: Solve for x
    x = 28,631,304,962.02/107,859.38
  6. Step 6: Final answer
    x = 265,450.31

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.