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Finding the Third Proportional to 20,478 and 44,091

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Solution

The third proportional to 20,478 and 44,091 is: 94,931.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,478 : 44,091 = 44,091 : x
  2. Step 2: Convert to fraction form
    20,478/44,091 = 44,091/x
  3. Step 3: Cross multiply
    20,478x = 44,091 × 44,091
  4. Step 4: Simplify right side
    20,478x = 1,944,016,281
  5. Step 5: Solve for x
    x = 1,944,016,281/20,478
  6. Step 6: Final answer
    x = 94,931.94

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.