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Finding the Third Proportional to 7,216.59 and 15,850.69

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Solution

The third proportional to 7,216.59 and 15,850.69 is: 34,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216.59 : 15,850.69 = 15,850.69 : x
  2. Step 2: Convert to fraction form
    7,216.59/15,850.69 = 15,850.69/x
  3. Step 3: Cross multiply
    7,216.59x = 15,850.69 × 15,850.69
  4. Step 4: Simplify right side
    7,216.59x = 251,244,294.22
  5. Step 5: Solve for x
    x = 251,244,294.22/7,216.59
  6. Step 6: Final answer
    x = 34,814.80

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.