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Finding the Third Proportional to 90,809.44 and 141,733.13

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Solution

The third proportional to 90,809.44 and 141,733.13 is: 221,213.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,809.44 : 141,733.13 = 141,733.13 : x
  2. Step 2: Convert to fraction form
    90,809.44/141,733.13 = 141,733.13/x
  3. Step 3: Cross multiply
    90,809.44x = 141,733.13 × 141,733.13
  4. Step 4: Simplify right side
    90,809.44x = 20,088,278,722.27
  5. Step 5: Solve for x
    x = 20,088,278,722.27/90,809.44
  6. Step 6: Final answer
    x = 221,213.56

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.