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Finding the Third Proportional to 21,520.69 and 43,998.19

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Solution

The third proportional to 21,520.69 and 43,998.19 is: 89,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,520.69 : 43,998.19 = 43,998.19 : x
  2. Step 2: Convert to fraction form
    21,520.69/43,998.19 = 43,998.19/x
  3. Step 3: Cross multiply
    21,520.69x = 43,998.19 × 43,998.19
  4. Step 4: Simplify right side
    21,520.69x = 1,935,840,503.29
  5. Step 5: Solve for x
    x = 1,935,840,503.29/21,520.69
  6. Step 6: Final answer
    x = 89,952.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.