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Finding the Third Proportional to 3,659,862.38 and 7,949,755.50

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Solution

The third proportional to 3,659,862.38 and 7,949,755.50 is: 17,268,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,862.38 : 7,949,755.50 = 7,949,755.50 : x
  2. Step 2: Convert to fraction form
    3,659,862.38/7,949,755.50 = 7,949,755.50/x
  3. Step 3: Cross multiply
    3,659,862.38x = 7,949,755.50 × 7,949,755.50
  4. Step 4: Simplify right side
    3,659,862.38x = 63,198,612,509,780.25
  5. Step 5: Solve for x
    x = 63,198,612,509,780.25/3,659,862.38
  6. Step 6: Final answer
    x = 17,268,029.79

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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.