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Finding the Third Proportional to 3,426.47 and 7,440.19

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Solution

The third proportional to 3,426.47 and 7,440.19 is: 16,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.47 : 7,440.19 = 7,440.19 : x
  2. Step 2: Convert to fraction form
    3,426.47/7,440.19 = 7,440.19/x
  3. Step 3: Cross multiply
    3,426.47x = 7,440.19 × 7,440.19
  4. Step 4: Simplify right side
    3,426.47x = 55,356,390.04
  5. Step 5: Solve for x
    x = 55,356,390.04/3,426.47
  6. Step 6: Final answer
    x = 16,155.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.