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Finding the Third Proportional to 8,514.25 and 13,289

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Solution

The third proportional to 8,514.25 and 13,289 is: 20,741.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514.25 : 13,289 = 13,289 : x
  2. Step 2: Convert to fraction form
    8,514.25/13,289 = 13,289/x
  3. Step 3: Cross multiply
    8,514.25x = 13,289 × 13,289
  4. Step 4: Simplify right side
    8,514.25x = 176,597,521
  5. Step 5: Solve for x
    x = 176,597,521/8,514.25
  6. Step 6: Final answer
    x = 20,741.41

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.