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Finding the Third Proportional to 18,039.38 and 26,866.69

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Solution

The third proportional to 18,039.38 and 26,866.69 is: 40,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,039.38 : 26,866.69 = 26,866.69 : x
  2. Step 2: Convert to fraction form
    18,039.38/26,866.69 = 26,866.69/x
  3. Step 3: Cross multiply
    18,039.38x = 26,866.69 × 26,866.69
  4. Step 4: Simplify right side
    18,039.38x = 721,818,897.22
  5. Step 5: Solve for x
    x = 721,818,897.22/18,039.38
  6. Step 6: Final answer
    x = 40,013.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.