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Finding the Third Proportional to 18,382 and 40,364

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Solution

The third proportional to 18,382 and 40,364 is: 88,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,382 : 40,364 = 40,364 : x
  2. Step 2: Convert to fraction form
    18,382/40,364 = 40,364/x
  3. Step 3: Cross multiply
    18,382x = 40,364 × 40,364
  4. Step 4: Simplify right side
    18,382x = 1,629,252,496
  5. Step 5: Solve for x
    x = 1,629,252,496/18,382
  6. Step 6: Final answer
    x = 88,633.04

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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.