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Finding the Third Proportional to 8,140 and 14,498

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Solution

The third proportional to 8,140 and 14,498 is: 25,822.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140 : 14,498 = 14,498 : x
  2. Step 2: Convert to fraction form
    8,140/14,498 = 14,498/x
  3. Step 3: Cross multiply
    8,140x = 14,498 × 14,498
  4. Step 4: Simplify right side
    8,140x = 210,192,004
  5. Step 5: Solve for x
    x = 210,192,004/8,140
  6. Step 6: Final answer
    x = 25,822.11

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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.