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Finding the Third Proportional to 17,890.88 and 43,831.13

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Solution

The third proportional to 17,890.88 and 43,831.13 is: 107,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,890.88 : 43,831.13 = 43,831.13 : x
  2. Step 2: Convert to fraction form
    17,890.88/43,831.13 = 43,831.13/x
  3. Step 3: Cross multiply
    17,890.88x = 43,831.13 × 43,831.13
  4. Step 4: Simplify right side
    17,890.88x = 1,921,167,518.77
  5. Step 5: Solve for x
    x = 1,921,167,518.77/17,890.88
  6. Step 6: Final answer
    x = 107,382.54

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Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.