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Finding the Third Proportional to 8,666.44 and 13,445.44

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Solution

The third proportional to 8,666.44 and 13,445.44 is: 20,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.44 : 13,445.44 = 13,445.44 : x
  2. Step 2: Convert to fraction form
    8,666.44/13,445.44 = 13,445.44/x
  3. Step 3: Cross multiply
    8,666.44x = 13,445.44 × 13,445.44
  4. Step 4: Simplify right side
    8,666.44x = 180,779,789.57
  5. Step 5: Solve for x
    x = 180,779,789.57/8,666.44
  6. Step 6: Final answer
    x = 20,859.76

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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.