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Finding the Third Proportional to 6,221.06 and 9,632.81

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Solution

The third proportional to 6,221.06 and 9,632.81 is: 14,915.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.06 : 9,632.81 = 9,632.81 : x
  2. Step 2: Convert to fraction form
    6,221.06/9,632.81 = 9,632.81/x
  3. Step 3: Cross multiply
    6,221.06x = 9,632.81 × 9,632.81
  4. Step 4: Simplify right side
    6,221.06x = 92,791,076.66
  5. Step 5: Solve for x
    x = 92,791,076.66/6,221.06
  6. Step 6: Final answer
    x = 14,915.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.