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Finding the Third Proportional to 3,959.25 and 8,546.25

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Solution

The third proportional to 3,959.25 and 8,546.25 is: 18,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959.25 : 8,546.25 = 8,546.25 : x
  2. Step 2: Convert to fraction form
    3,959.25/8,546.25 = 8,546.25/x
  3. Step 3: Cross multiply
    3,959.25x = 8,546.25 × 8,546.25
  4. Step 4: Simplify right side
    3,959.25x = 73,038,389.06
  5. Step 5: Solve for x
    x = 73,038,389.06/3,959.25
  6. Step 6: Final answer
    x = 18,447.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.