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Finding the Third Proportional to 8,484.75 and 11,157.47

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Solution

The third proportional to 8,484.75 and 11,157.47 is: 14,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.75 : 11,157.47 = 11,157.47 : x
  2. Step 2: Convert to fraction form
    8,484.75/11,157.47 = 11,157.47/x
  3. Step 3: Cross multiply
    8,484.75x = 11,157.47 × 11,157.47
  4. Step 4: Simplify right side
    8,484.75x = 124,489,108.91
  5. Step 5: Solve for x
    x = 124,489,108.91/8,484.75
  6. Step 6: Final answer
    x = 14,672.10

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.