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Finding the Third Proportional to 4,188 and 7,352

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Solution

The third proportional to 4,188 and 7,352 is: 12,906.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188 : 7,352 = 7,352 : x
  2. Step 2: Convert to fraction form
    4,188/7,352 = 7,352/x
  3. Step 3: Cross multiply
    4,188x = 7,352 × 7,352
  4. Step 4: Simplify right side
    4,188x = 54,051,904
  5. Step 5: Solve for x
    x = 54,051,904/4,188
  6. Step 6: Final answer
    x = 12,906.38

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.