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Finding the Third Proportional to 107,202 and 169,902

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Solution

The third proportional to 107,202 and 169,902 is: 269,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,202 : 169,902 = 169,902 : x
  2. Step 2: Convert to fraction form
    107,202/169,902 = 169,902/x
  3. Step 3: Cross multiply
    107,202x = 169,902 × 169,902
  4. Step 4: Simplify right side
    107,202x = 28,866,689,604
  5. Step 5: Solve for x
    x = 28,866,689,604/107,202
  6. Step 6: Final answer
    x = 269,273.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.