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Finding the Third Proportional to 20,486.67 and 29,518.17

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Solution

The third proportional to 20,486.67 and 29,518.17 is: 42,531.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486.67 : 29,518.17 = 29,518.17 : x
  2. Step 2: Convert to fraction form
    20,486.67/29,518.17 = 29,518.17/x
  3. Step 3: Cross multiply
    20,486.67x = 29,518.17 × 29,518.17
  4. Step 4: Simplify right side
    20,486.67x = 871,322,470.84
  5. Step 5: Solve for x
    x = 871,322,470.84/20,486.67
  6. Step 6: Final answer
    x = 42,531.19

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.