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Finding the Third Proportional to 5,815.13 and 7,386.19

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Solution

The third proportional to 5,815.13 and 7,386.19 is: 9,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.13 : 7,386.19 = 7,386.19 : x
  2. Step 2: Convert to fraction form
    5,815.13/7,386.19 = 7,386.19/x
  3. Step 3: Cross multiply
    5,815.13x = 7,386.19 × 7,386.19
  4. Step 4: Simplify right side
    5,815.13x = 54,555,765.79
  5. Step 5: Solve for x
    x = 54,555,765.79/5,815.13
  6. Step 6: Final answer
    x = 9,381.70

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.