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Finding the Third Proportional to 20,112 and 43,535

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Solution

The third proportional to 20,112 and 43,535 is: 94,237.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112 : 43,535 = 43,535 : x
  2. Step 2: Convert to fraction form
    20,112/43,535 = 43,535/x
  3. Step 3: Cross multiply
    20,112x = 43,535 × 43,535
  4. Step 4: Simplify right side
    20,112x = 1,895,296,225
  5. Step 5: Solve for x
    x = 1,895,296,225/20,112
  6. Step 6: Final answer
    x = 94,237.08

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.