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Finding the Third Proportional to 79,117.31 and 169,665.19

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Solution

The third proportional to 79,117.31 and 169,665.19 is: 363,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117.31 : 169,665.19 = 169,665.19 : x
  2. Step 2: Convert to fraction form
    79,117.31/169,665.19 = 169,665.19/x
  3. Step 3: Cross multiply
    79,117.31x = 169,665.19 × 169,665.19
  4. Step 4: Simplify right side
    79,117.31x = 28,786,275,849.41
  5. Step 5: Solve for x
    x = 28,786,275,849.41/79,117.31
  6. Step 6: Final answer
    x = 363,842.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.