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Finding the Third Proportional to 20,145.38 and 43,875

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Solution

The third proportional to 20,145.38 and 43,875 is: 95,556.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145.38 : 43,875 = 43,875 : x
  2. Step 2: Convert to fraction form
    20,145.38/43,875 = 43,875/x
  3. Step 3: Cross multiply
    20,145.38x = 43,875 × 43,875
  4. Step 4: Simplify right side
    20,145.38x = 1,925,015,625
  5. Step 5: Solve for x
    x = 1,925,015,625/20,145.38
  6. Step 6: Final answer
    x = 95,556.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.