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Finding the Third Proportional to 4,188 and 6,498

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Solution

The third proportional to 4,188 and 6,498 is: 10,082.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188 : 6,498 = 6,498 : x
  2. Step 2: Convert to fraction form
    4,188/6,498 = 6,498/x
  3. Step 3: Cross multiply
    4,188x = 6,498 × 6,498
  4. Step 4: Simplify right side
    4,188x = 42,224,004
  5. Step 5: Solve for x
    x = 42,224,004/4,188
  6. Step 6: Final answer
    x = 10,082.14

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.