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Finding the Third Proportional to 5,416.88 and 8,089.88

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Solution

The third proportional to 5,416.88 and 8,089.88 is: 12,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.88 : 8,089.88 = 8,089.88 : x
  2. Step 2: Convert to fraction form
    5,416.88/8,089.88 = 8,089.88/x
  3. Step 3: Cross multiply
    5,416.88x = 8,089.88 × 8,089.88
  4. Step 4: Simplify right side
    5,416.88x = 65,446,077.52
  5. Step 5: Solve for x
    x = 65,446,077.52/5,416.88
  6. Step 6: Final answer
    x = 12,081.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.