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Finding the Third Proportional to 79,110 and 173,776

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Solution

The third proportional to 79,110 and 173,776 is: 381,722.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,110 : 173,776 = 173,776 : x
  2. Step 2: Convert to fraction form
    79,110/173,776 = 173,776/x
  3. Step 3: Cross multiply
    79,110x = 173,776 × 173,776
  4. Step 4: Simplify right side
    79,110x = 30,198,098,176
  5. Step 5: Solve for x
    x = 30,198,098,176/79,110
  6. Step 6: Final answer
    x = 381,722.89

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.