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Finding the Third Proportional to 3,659,887.50 and 7,949,805

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Solution

The third proportional to 3,659,887.50 and 7,949,805 is: 17,268,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,659,887.50 : 7,949,805 = 7,949,805 : x
  2. Step 2: Convert to fraction form
    3,659,887.50/7,949,805 = 7,949,805/x
  3. Step 3: Cross multiply
    3,659,887.50x = 7,949,805 × 7,949,805
  4. Step 4: Simplify right side
    3,659,887.50x = 63,199,399,538,025
  5. Step 5: Solve for x
    x = 63,199,399,538,025/3,659,887.50
  6. Step 6: Final answer
    x = 17,268,126.28

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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.