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Finding the Third Proportional to 858,480.19 and 1,787,604.19

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Solution

The third proportional to 858,480.19 and 1,787,604.19 is: 3,722,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,480.19 : 1,787,604.19 = 1,787,604.19 : x
  2. Step 2: Convert to fraction form
    858,480.19/1,787,604.19 = 1,787,604.19/x
  3. Step 3: Cross multiply
    858,480.19x = 1,787,604.19 × 1,787,604.19
  4. Step 4: Simplify right side
    858,480.19x = 3,195,528,731,167.54
  5. Step 5: Solve for x
    x = 3,195,528,731,167.54/858,480.19
  6. Step 6: Final answer
    x = 3,722,309.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.