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Finding the Third Proportional to 897,921 and 1,995,132.75

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Solution

The third proportional to 897,921 and 1,995,132.75 is: 4,433,078.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,921 : 1,995,132.75 = 1,995,132.75 : x
  2. Step 2: Convert to fraction form
    897,921/1,995,132.75 = 1,995,132.75/x
  3. Step 3: Cross multiply
    897,921x = 1,995,132.75 × 1,995,132.75
  4. Step 4: Simplify right side
    897,921x = 3,980,554,690,122.56
  5. Step 5: Solve for x
    x = 3,980,554,690,122.56/897,921
  6. Step 6: Final answer
    x = 4,433,078.96

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.