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Finding the Third Proportional to 20,131.03 and 43,722.28

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Solution

The third proportional to 20,131.03 and 43,722.28 is: 94,959.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,131.03 : 43,722.28 = 43,722.28 : x
  2. Step 2: Convert to fraction form
    20,131.03/43,722.28 = 43,722.28/x
  3. Step 3: Cross multiply
    20,131.03x = 43,722.28 × 43,722.28
  4. Step 4: Simplify right side
    20,131.03x = 1,911,637,877.70
  5. Step 5: Solve for x
    x = 1,911,637,877.70/20,131.03
  6. Step 6: Final answer
    x = 94,959.76

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.