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Finding the Third Proportional to 7,223 and 11,461.25

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Solution

The third proportional to 7,223 and 11,461.25 is: 18,186.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223 : 11,461.25 = 11,461.25 : x
  2. Step 2: Convert to fraction form
    7,223/11,461.25 = 11,461.25/x
  3. Step 3: Cross multiply
    7,223x = 11,461.25 × 11,461.25
  4. Step 4: Simplify right side
    7,223x = 131,360,251.56
  5. Step 5: Solve for x
    x = 131,360,251.56/7,223
  6. Step 6: Final answer
    x = 18,186.38

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.