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Finding the Third Proportional to 84,548 and 178,632

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Solution

The third proportional to 84,548 and 178,632 is: 377,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,548 : 178,632 = 178,632 : x
  2. Step 2: Convert to fraction form
    84,548/178,632 = 178,632/x
  3. Step 3: Cross multiply
    84,548x = 178,632 × 178,632
  4. Step 4: Simplify right side
    84,548x = 31,909,391,424
  5. Step 5: Solve for x
    x = 31,909,391,424/84,548
  6. Step 6: Final answer
    x = 377,411.55

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.