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Finding the Third Proportional to 79,230 and 176,172

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Solution

The third proportional to 79,230 and 176,172 is: 391,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,230 : 176,172 = 176,172 : x
  2. Step 2: Convert to fraction form
    79,230/176,172 = 176,172/x
  3. Step 3: Cross multiply
    79,230x = 176,172 × 176,172
  4. Step 4: Simplify right side
    79,230x = 31,036,573,584
  5. Step 5: Solve for x
    x = 31,036,573,584/79,230
  6. Step 6: Final answer
    x = 391,727.55

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.