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Finding the Third Proportional to 83,381 and 182,572

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Solution

The third proportional to 83,381 and 182,572 is: 399,761.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,381 : 182,572 = 182,572 : x
  2. Step 2: Convert to fraction form
    83,381/182,572 = 182,572/x
  3. Step 3: Cross multiply
    83,381x = 182,572 × 182,572
  4. Step 4: Simplify right side
    83,381x = 33,332,535,184
  5. Step 5: Solve for x
    x = 33,332,535,184/83,381
  6. Step 6: Final answer
    x = 399,761.76

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.