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Finding the Third Proportional to 15,339.38 and 36,396.84

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Solution

The third proportional to 15,339.38 and 36,396.84 is: 86,361.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.38 : 36,396.84 = 36,396.84 : x
  2. Step 2: Convert to fraction form
    15,339.38/36,396.84 = 36,396.84/x
  3. Step 3: Cross multiply
    15,339.38x = 36,396.84 × 36,396.84
  4. Step 4: Simplify right side
    15,339.38x = 1,324,730,234.96
  5. Step 5: Solve for x
    x = 1,324,730,234.96/15,339.38
  6. Step 6: Final answer
    x = 86,361.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.