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Finding the Third Proportional to 868,190 and 1,876,744

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Solution

The third proportional to 868,190 and 1,876,744 is: 4,056,909.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,190 : 1,876,744 = 1,876,744 : x
  2. Step 2: Convert to fraction form
    868,190/1,876,744 = 1,876,744/x
  3. Step 3: Cross multiply
    868,190x = 1,876,744 × 1,876,744
  4. Step 4: Simplify right side
    868,190x = 3,522,168,041,536
  5. Step 5: Solve for x
    x = 3,522,168,041,536/868,190
  6. Step 6: Final answer
    x = 4,056,909.25

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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.