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Finding the Third Proportional to 18,325,473 and 36,188,382

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Solution

The third proportional to 18,325,473 and 36,188,382 is: 71,463,311.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325,473 : 36,188,382 = 36,188,382 : x
  2. Step 2: Convert to fraction form
    18,325,473/36,188,382 = 36,188,382/x
  3. Step 3: Cross multiply
    18,325,473x = 36,188,382 × 36,188,382
  4. Step 4: Simplify right side
    18,325,473x = 1,309,598,991,777,924
  5. Step 5: Solve for x
    x = 1,309,598,991,777,924/18,325,473
  6. Step 6: Final answer
    x = 71,463,311.85

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.