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Finding the Third Proportional to 8,959.50 and 19,452.75

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Solution

The third proportional to 8,959.50 and 19,452.75 is: 42,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.50 : 19,452.75 = 19,452.75 : x
  2. Step 2: Convert to fraction form
    8,959.50/19,452.75 = 19,452.75/x
  3. Step 3: Cross multiply
    8,959.50x = 19,452.75 × 19,452.75
  4. Step 4: Simplify right side
    8,959.50x = 378,409,482.56
  5. Step 5: Solve for x
    x = 378,409,482.56/8,959.50
  6. Step 6: Final answer
    x = 42,235.56

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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.