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Finding the Third Proportional to 20,282.63 and 30,255.19

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Solution

The third proportional to 20,282.63 and 30,255.19 is: 45,131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.63 : 30,255.19 = 30,255.19 : x
  2. Step 2: Convert to fraction form
    20,282.63/30,255.19 = 30,255.19/x
  3. Step 3: Cross multiply
    20,282.63x = 30,255.19 × 30,255.19
  4. Step 4: Simplify right side
    20,282.63x = 915,376,370.66
  5. Step 5: Solve for x
    x = 915,376,370.66/20,282.63
  6. Step 6: Final answer
    x = 45,131.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.