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Finding the Third Proportional to 815,119.50 and 1,787,703

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Solution

The third proportional to 815,119.50 and 1,787,703 is: 3,920,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,119.50 : 1,787,703 = 1,787,703 : x
  2. Step 2: Convert to fraction form
    815,119.50/1,787,703 = 1,787,703/x
  3. Step 3: Cross multiply
    815,119.50x = 1,787,703 × 1,787,703
  4. Step 4: Simplify right side
    815,119.50x = 3,195,882,016,209
  5. Step 5: Solve for x
    x = 3,195,882,016,209/815,119.50
  6. Step 6: Final answer
    x = 3,920,752.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.