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Finding the Third Proportional to 20,838.38 and 43,134.75

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Solution

The third proportional to 20,838.38 and 43,134.75 is: 89,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,838.38 : 43,134.75 = 43,134.75 : x
  2. Step 2: Convert to fraction form
    20,838.38/43,134.75 = 43,134.75/x
  3. Step 3: Cross multiply
    20,838.38x = 43,134.75 × 43,134.75
  4. Step 4: Simplify right side
    20,838.38x = 1,860,606,657.56
  5. Step 5: Solve for x
    x = 1,860,606,657.56/20,838.38
  6. Step 6: Final answer
    x = 89,287.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.