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Finding the Third Proportional to 20,126.52 and 30,235.70

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Solution

The third proportional to 20,126.52 and 30,235.70 is: 45,422.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126.52 : 30,235.70 = 30,235.70 : x
  2. Step 2: Convert to fraction form
    20,126.52/30,235.70 = 30,235.70/x
  3. Step 3: Cross multiply
    20,126.52x = 30,235.70 × 30,235.70
  4. Step 4: Simplify right side
    20,126.52x = 914,197,684.41
  5. Step 5: Solve for x
    x = 914,197,684.41/20,126.52
  6. Step 6: Final answer
    x = 45,422.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.