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Finding the Third Proportional to 2,039,791.25 and 4,439,889.50

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Solution

The third proportional to 2,039,791.25 and 4,439,889.50 is: 9,664,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,791.25 : 4,439,889.50 = 4,439,889.50 : x
  2. Step 2: Convert to fraction form
    2,039,791.25/4,439,889.50 = 4,439,889.50/x
  3. Step 3: Cross multiply
    2,039,791.25x = 4,439,889.50 × 4,439,889.50
  4. Step 4: Simplify right side
    2,039,791.25x = 19,712,618,772,210.25
  5. Step 5: Solve for x
    x = 19,712,618,772,210.25/2,039,791.25
  6. Step 6: Final answer
    x = 9,664,037.32

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.