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Finding the Third Proportional to 18,937.13 and 39,832.88

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Solution

The third proportional to 18,937.13 and 39,832.88 is: 83,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,937.13 : 39,832.88 = 39,832.88 : x
  2. Step 2: Convert to fraction form
    18,937.13/39,832.88 = 39,832.88/x
  3. Step 3: Cross multiply
    18,937.13x = 39,832.88 × 39,832.88
  4. Step 4: Simplify right side
    18,937.13x = 1,586,657,930.77
  5. Step 5: Solve for x
    x = 1,586,657,930.77/18,937.13
  6. Step 6: Final answer
    x = 83,785.58

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.