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Finding the Third Proportional to 19,617.38 and 25,187.94

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Solution

The third proportional to 19,617.38 and 25,187.94 is: 32,340.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.38 : 25,187.94 = 25,187.94 : x
  2. Step 2: Convert to fraction form
    19,617.38/25,187.94 = 25,187.94/x
  3. Step 3: Cross multiply
    19,617.38x = 25,187.94 × 25,187.94
  4. Step 4: Simplify right side
    19,617.38x = 634,432,195.50
  5. Step 5: Solve for x
    x = 634,432,195.50/19,617.38
  6. Step 6: Final answer
    x = 32,340.32

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.