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Finding the Third Proportional to 891,662 and 1,928,761

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Solution

The third proportional to 891,662 and 1,928,761 is: 4,172,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,662 : 1,928,761 = 1,928,761 : x
  2. Step 2: Convert to fraction form
    891,662/1,928,761 = 1,928,761/x
  3. Step 3: Cross multiply
    891,662x = 1,928,761 × 1,928,761
  4. Step 4: Simplify right side
    891,662x = 3,720,118,995,121
  5. Step 5: Solve for x
    x = 3,720,118,995,121/891,662
  6. Step 6: Final answer
    x = 4,172,117.90

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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.