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Finding the Third Proportional to 5,440.92 and 11,831.06

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Solution

The third proportional to 5,440.92 and 11,831.06 is: 25,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.92 : 11,831.06 = 11,831.06 : x
  2. Step 2: Convert to fraction form
    5,440.92/11,831.06 = 11,831.06/x
  3. Step 3: Cross multiply
    5,440.92x = 11,831.06 × 11,831.06
  4. Step 4: Simplify right side
    5,440.92x = 139,974,039.88
  5. Step 5: Solve for x
    x = 139,974,039.88/5,440.92
  6. Step 6: Final answer
    x = 25,726.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.