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Finding the Third Proportional to 7,223.25 and 15,825

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Solution

The third proportional to 7,223.25 and 15,825 is: 34,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.25 : 15,825 = 15,825 : x
  2. Step 2: Convert to fraction form
    7,223.25/15,825 = 15,825/x
  3. Step 3: Cross multiply
    7,223.25x = 15,825 × 15,825
  4. Step 4: Simplify right side
    7,223.25x = 250,430,625
  5. Step 5: Solve for x
    x = 250,430,625/7,223.25
  6. Step 6: Final answer
    x = 34,670.08

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.