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Finding the Third Proportional to 21,367.13 and 34,327.13

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Solution

The third proportional to 21,367.13 and 34,327.13 is: 55,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,367.13 : 34,327.13 = 34,327.13 : x
  2. Step 2: Convert to fraction form
    21,367.13/34,327.13 = 34,327.13/x
  3. Step 3: Cross multiply
    21,367.13x = 34,327.13 × 34,327.13
  4. Step 4: Simplify right side
    21,367.13x = 1,178,351,510.77
  5. Step 5: Solve for x
    x = 1,178,351,510.77/21,367.13
  6. Step 6: Final answer
    x = 55,147.87

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.