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Finding the Third Proportional to 18,370.13 and 39,200.63

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Solution

The third proportional to 18,370.13 and 39,200.63 is: 83,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.13 : 39,200.63 = 39,200.63 : x
  2. Step 2: Convert to fraction form
    18,370.13/39,200.63 = 39,200.63/x
  3. Step 3: Cross multiply
    18,370.13x = 39,200.63 × 39,200.63
  4. Step 4: Simplify right side
    18,370.13x = 1,536,689,000.39
  5. Step 5: Solve for x
    x = 1,536,689,000.39/18,370.13
  6. Step 6: Final answer
    x = 83,651.53

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.