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Finding the Third Proportional to 18,733.88 and 28,224.56

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Solution

The third proportional to 18,733.88 and 28,224.56 is: 42,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,733.88 : 28,224.56 = 28,224.56 : x
  2. Step 2: Convert to fraction form
    18,733.88/28,224.56 = 28,224.56/x
  3. Step 3: Cross multiply
    18,733.88x = 28,224.56 × 28,224.56
  4. Step 4: Simplify right side
    18,733.88x = 796,625,928.32
  5. Step 5: Solve for x
    x = 796,625,928.32/18,733.88
  6. Step 6: Final answer
    x = 42,523.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.