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Finding the Third Proportional to 891,663 and 1,928,761.50

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Solution

The third proportional to 891,663 and 1,928,761.50 is: 4,172,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,663 : 1,928,761.50 = 1,928,761.50 : x
  2. Step 2: Convert to fraction form
    891,663/1,928,761.50 = 1,928,761.50/x
  3. Step 3: Cross multiply
    891,663x = 1,928,761.50 × 1,928,761.50
  4. Step 4: Simplify right side
    891,663x = 3,720,120,923,882.25
  5. Step 5: Solve for x
    x = 3,720,120,923,882.25/891,663
  6. Step 6: Final answer
    x = 4,172,115.39

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.