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Finding the Third Proportional to 3,890,382.75 and 8,453,538

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Solution

The third proportional to 3,890,382.75 and 8,453,538 is: 18,368,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,382.75 : 8,453,538 = 8,453,538 : x
  2. Step 2: Convert to fraction form
    3,890,382.75/8,453,538 = 8,453,538/x
  3. Step 3: Cross multiply
    3,890,382.75x = 8,453,538 × 8,453,538
  4. Step 4: Simplify right side
    3,890,382.75x = 71,462,304,717,444
  5. Step 5: Solve for x
    x = 71,462,304,717,444/3,890,382.75
  6. Step 6: Final answer
    x = 18,368,965.04

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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.