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Finding the Third Proportional to 73,959 and 161,742

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Solution

The third proportional to 73,959 and 161,742 is: 353,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,959 : 161,742 = 161,742 : x
  2. Step 2: Convert to fraction form
    73,959/161,742 = 161,742/x
  3. Step 3: Cross multiply
    73,959x = 161,742 × 161,742
  4. Step 4: Simplify right side
    73,959x = 26,160,474,564
  5. Step 5: Solve for x
    x = 26,160,474,564/73,959
  6. Step 6: Final answer
    x = 353,715.90

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.