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Finding the Third Proportional to 785.19 and 1,651.13

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Solution

The third proportional to 785.19 and 1,651.13 is: 3,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    785.19 : 1,651.13 = 1,651.13 : x
  2. Step 2: Convert to fraction form
    785.19/1,651.13 = 1,651.13/x
  3. Step 3: Cross multiply
    785.19x = 1,651.13 × 1,651.13
  4. Step 4: Simplify right side
    785.19x = 2,726,213.77
  5. Step 5: Solve for x
    x = 2,726,213.77/785.19
  6. Step 6: Final answer
    x = 3,472.05

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.