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Finding the Third Proportional to 7,191 and 15,252.75

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Solution

The third proportional to 7,191 and 15,252.75 is: 32,352.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191 : 15,252.75 = 15,252.75 : x
  2. Step 2: Convert to fraction form
    7,191/15,252.75 = 15,252.75/x
  3. Step 3: Cross multiply
    7,191x = 15,252.75 × 15,252.75
  4. Step 4: Simplify right side
    7,191x = 232,646,382.56
  5. Step 5: Solve for x
    x = 232,646,382.56/7,191
  6. Step 6: Final answer
    x = 32,352.44

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.