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Finding the Third Proportional to 154,960 and 239,448

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Solution

The third proportional to 154,960 and 239,448 is: 370,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,960 : 239,448 = 239,448 : x
  2. Step 2: Convert to fraction form
    154,960/239,448 = 239,448/x
  3. Step 3: Cross multiply
    154,960x = 239,448 × 239,448
  4. Step 4: Simplify right side
    154,960x = 57,335,344,704
  5. Step 5: Solve for x
    x = 57,335,344,704/154,960
  6. Step 6: Final answer
    x = 370,000.93

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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.