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Finding the Third Proportional to 18,520.31 and 26,200.13

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Solution

The third proportional to 18,520.31 and 26,200.13 is: 37,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.31 : 26,200.13 = 26,200.13 : x
  2. Step 2: Convert to fraction form
    18,520.31/26,200.13 = 26,200.13/x
  3. Step 3: Cross multiply
    18,520.31x = 26,200.13 × 26,200.13
  4. Step 4: Simplify right side
    18,520.31x = 686,446,550.02
  5. Step 5: Solve for x
    x = 686,446,550.02/18,520.31
  6. Step 6: Final answer
    x = 37,064.52

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.