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Finding the Third Proportional to 16,428.38 and 25,737.75

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Solution

The third proportional to 16,428.38 and 25,737.75 is: 40,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,428.38 : 25,737.75 = 25,737.75 : x
  2. Step 2: Convert to fraction form
    16,428.38/25,737.75 = 25,737.75/x
  3. Step 3: Cross multiply
    16,428.38x = 25,737.75 × 25,737.75
  4. Step 4: Simplify right side
    16,428.38x = 662,431,775.06
  5. Step 5: Solve for x
    x = 662,431,775.06/16,428.38
  6. Step 6: Final answer
    x = 40,322.42

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.