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Finding the Third Proportional to 13,113.56 and 28,311.19

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Solution

The third proportional to 13,113.56 and 28,311.19 is: 61,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113.56 : 28,311.19 = 28,311.19 : x
  2. Step 2: Convert to fraction form
    13,113.56/28,311.19 = 28,311.19/x
  3. Step 3: Cross multiply
    13,113.56x = 28,311.19 × 28,311.19
  4. Step 4: Simplify right side
    13,113.56x = 801,523,337.66
  5. Step 5: Solve for x
    x = 801,523,337.66/13,113.56
  6. Step 6: Final answer
    x = 61,121.71

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.