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Finding the Third Proportional to 3,925 and 8,498

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Solution

The third proportional to 3,925 and 8,498 is: 18,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925 : 8,498 = 8,498 : x
  2. Step 2: Convert to fraction form
    3,925/8,498 = 8,498/x
  3. Step 3: Cross multiply
    3,925x = 8,498 × 8,498
  4. Step 4: Simplify right side
    3,925x = 72,216,004
  5. Step 5: Solve for x
    x = 72,216,004/3,925
  6. Step 6: Final answer
    x = 18,398.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.