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Finding the Third Proportional to 886.69 and 1,928.81

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Solution

The third proportional to 886.69 and 1,928.81 is: 4,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.69 : 1,928.81 = 1,928.81 : x
  2. Step 2: Convert to fraction form
    886.69/1,928.81 = 1,928.81/x
  3. Step 3: Cross multiply
    886.69x = 1,928.81 × 1,928.81
  4. Step 4: Simplify right side
    886.69x = 3,720,317.66
  5. Step 5: Solve for x
    x = 3,720,317.66/886.69
  6. Step 6: Final answer
    x = 4,195.75

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.