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Finding the Third Proportional to 613.13 and 1,662.19

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Solution

The third proportional to 613.13 and 1,662.19 is: 4,506.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.13 : 1,662.19 = 1,662.19 : x
  2. Step 2: Convert to fraction form
    613.13/1,662.19 = 1,662.19/x
  3. Step 3: Cross multiply
    613.13x = 1,662.19 × 1,662.19
  4. Step 4: Simplify right side
    613.13x = 2,762,867.29
  5. Step 5: Solve for x
    x = 2,762,867.29/613.13
  6. Step 6: Final answer
    x = 4,506.21

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.