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Finding the Third Proportional to 110,304 and 155,330

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Solution

The third proportional to 110,304 and 155,330 is: 218,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,304 : 155,330 = 155,330 : x
  2. Step 2: Convert to fraction form
    110,304/155,330 = 155,330/x
  3. Step 3: Cross multiply
    110,304x = 155,330 × 155,330
  4. Step 4: Simplify right side
    110,304x = 24,127,408,900
  5. Step 5: Solve for x
    x = 24,127,408,900/110,304
  6. Step 6: Final answer
    x = 218,735.58

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.