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Finding the Third Proportional to 14,370.75 and 15,879.38

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Solution

The third proportional to 14,370.75 and 15,879.38 is: 17,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,370.75 : 15,879.38 = 15,879.38 : x
  2. Step 2: Convert to fraction form
    14,370.75/15,879.38 = 15,879.38/x
  3. Step 3: Cross multiply
    14,370.75x = 15,879.38 × 15,879.38
  4. Step 4: Simplify right side
    14,370.75x = 252,154,550.39
  5. Step 5: Solve for x
    x = 252,154,550.39/14,370.75
  6. Step 6: Final answer
    x = 17,546.37

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Why These Related Problems?

These problems maintain the same ratio (1.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.