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Finding the Third Proportional to 7,454 and 13,242

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Solution

The third proportional to 7,454 and 13,242 is: 23,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454 : 13,242 = 13,242 : x
  2. Step 2: Convert to fraction form
    7,454/13,242 = 13,242/x
  3. Step 3: Cross multiply
    7,454x = 13,242 × 13,242
  4. Step 4: Simplify right side
    7,454x = 175,350,564
  5. Step 5: Solve for x
    x = 175,350,564/7,454
  6. Step 6: Final answer
    x = 23,524.36

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.