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Finding the Third Proportional to 815,247 and 1,666,782

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Solution

The third proportional to 815,247 and 1,666,782 is: 3,407,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,247 : 1,666,782 = 1,666,782 : x
  2. Step 2: Convert to fraction form
    815,247/1,666,782 = 1,666,782/x
  3. Step 3: Cross multiply
    815,247x = 1,666,782 × 1,666,782
  4. Step 4: Simplify right side
    815,247x = 2,778,162,235,524
  5. Step 5: Solve for x
    x = 2,778,162,235,524/815,247
  6. Step 6: Final answer
    x = 3,407,755.24

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.