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Finding the Third Proportional to 3,842.44 and 7,681.08

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Solution

The third proportional to 3,842.44 and 7,681.08 is: 15,354.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.44 : 7,681.08 = 7,681.08 : x
  2. Step 2: Convert to fraction form
    3,842.44/7,681.08 = 7,681.08/x
  3. Step 3: Cross multiply
    3,842.44x = 7,681.08 × 7,681.08
  4. Step 4: Simplify right side
    3,842.44x = 58,998,961.16
  5. Step 5: Solve for x
    x = 58,998,961.16/3,842.44
  6. Step 6: Final answer
    x = 15,354.57

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.