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Finding the Third Proportional to 20,112.75 and 33,328.13

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Solution

The third proportional to 20,112.75 and 33,328.13 is: 55,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.75 : 33,328.13 = 33,328.13 : x
  2. Step 2: Convert to fraction form
    20,112.75/33,328.13 = 33,328.13/x
  3. Step 3: Cross multiply
    20,112.75x = 33,328.13 × 33,328.13
  4. Step 4: Simplify right side
    20,112.75x = 1,110,763,916.02
  5. Step 5: Solve for x
    x = 1,110,763,916.02/20,112.75
  6. Step 6: Final answer
    x = 55,226.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.