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Finding the Third Proportional to 20,169 and 36,085.50

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Solution

The third proportional to 20,169 and 36,085.50 is: 64,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169 : 36,085.50 = 36,085.50 : x
  2. Step 2: Convert to fraction form
    20,169/36,085.50 = 36,085.50/x
  3. Step 3: Cross multiply
    20,169x = 36,085.50 × 36,085.50
  4. Step 4: Simplify right side
    20,169x = 1,302,163,310.25
  5. Step 5: Solve for x
    x = 1,302,163,310.25/20,169
  6. Step 6: Final answer
    x = 64,562.61

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.