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Finding the Third Proportional to 1,025,318.25 and 1,647,337.50

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Solution

The third proportional to 1,025,318.25 and 1,647,337.50 is: 2,646,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,318.25 : 1,647,337.50 = 1,647,337.50 : x
  2. Step 2: Convert to fraction form
    1,025,318.25/1,647,337.50 = 1,647,337.50/x
  3. Step 3: Cross multiply
    1,025,318.25x = 1,647,337.50 × 1,647,337.50
  4. Step 4: Simplify right side
    1,025,318.25x = 2,713,720,838,906.25
  5. Step 5: Solve for x
    x = 2,713,720,838,906.25/1,025,318.25
  6. Step 6: Final answer
    x = 2,646,710.75

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.