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Finding the Third Proportional to 177,372 and 260,871

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Solution

The third proportional to 177,372 and 260,871 is: 383,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,372 : 260,871 = 260,871 : x
  2. Step 2: Convert to fraction form
    177,372/260,871 = 260,871/x
  3. Step 3: Cross multiply
    177,372x = 260,871 × 260,871
  4. Step 4: Simplify right side
    177,372x = 68,053,678,641
  5. Step 5: Solve for x
    x = 68,053,678,641/177,372
  6. Step 6: Final answer
    x = 383,677.69

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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.