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Finding the Third Proportional to 100,340 and 155,452

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Solution

The third proportional to 100,340 and 155,452 is: 240,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,340 : 155,452 = 155,452 : x
  2. Step 2: Convert to fraction form
    100,340/155,452 = 155,452/x
  3. Step 3: Cross multiply
    100,340x = 155,452 × 155,452
  4. Step 4: Simplify right side
    100,340x = 24,165,324,304
  5. Step 5: Solve for x
    x = 24,165,324,304/100,340
  6. Step 6: Final answer
    x = 240,834.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.