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Finding the Third Proportional to 83,190 and 180,394

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Solution

The third proportional to 83,190 and 180,394 is: 391,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,190 : 180,394 = 180,394 : x
  2. Step 2: Convert to fraction form
    83,190/180,394 = 180,394/x
  3. Step 3: Cross multiply
    83,190x = 180,394 × 180,394
  4. Step 4: Simplify right side
    83,190x = 32,541,995,236
  5. Step 5: Solve for x
    x = 32,541,995,236/83,190
  6. Step 6: Final answer
    x = 391,176.77

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.