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Finding the Third Proportional to 177,373 and 260,872

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Solution

The third proportional to 177,373 and 260,872 is: 383,678.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,373 : 260,872 = 260,872 : x
  2. Step 2: Convert to fraction form
    177,373/260,872 = 260,872/x
  3. Step 3: Cross multiply
    177,373x = 260,872 × 260,872
  4. Step 4: Simplify right side
    177,373x = 68,054,200,384
  5. Step 5: Solve for x
    x = 68,054,200,384/177,373
  6. Step 6: Final answer
    x = 383,678.47

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.