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Finding the Third Proportional to 7,213.50 and 13,347

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Solution

The third proportional to 7,213.50 and 13,347 is: 24,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.50 : 13,347 = 13,347 : x
  2. Step 2: Convert to fraction form
    7,213.50/13,347 = 13,347/x
  3. Step 3: Cross multiply
    7,213.50x = 13,347 × 13,347
  4. Step 4: Simplify right side
    7,213.50x = 178,142,409
  5. Step 5: Solve for x
    x = 178,142,409/7,213.50
  6. Step 6: Final answer
    x = 24,695.70

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.