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Finding the Third Proportional to 18,741.38 and 28,932.19

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Solution

The third proportional to 18,741.38 and 28,932.19 is: 44,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.38 : 28,932.19 = 28,932.19 : x
  2. Step 2: Convert to fraction form
    18,741.38/28,932.19 = 28,932.19/x
  3. Step 3: Cross multiply
    18,741.38x = 28,932.19 × 28,932.19
  4. Step 4: Simplify right side
    18,741.38x = 837,071,473.54
  5. Step 5: Solve for x
    x = 837,071,473.54/18,741.38
  6. Step 6: Final answer
    x = 44,664.36

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.