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Finding the Third Proportional to 18,226.13 and 28,146.75

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Solution

The third proportional to 18,226.13 and 28,146.75 is: 43,467.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.13 : 28,146.75 = 28,146.75 : x
  2. Step 2: Convert to fraction form
    18,226.13/28,146.75 = 28,146.75/x
  3. Step 3: Cross multiply
    18,226.13x = 28,146.75 × 28,146.75
  4. Step 4: Simplify right side
    18,226.13x = 792,239,535.56
  5. Step 5: Solve for x
    x = 792,239,535.56/18,226.13
  6. Step 6: Final answer
    x = 43,467.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.