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Finding the Third Proportional to 13,790 and 18,498

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Solution

The third proportional to 13,790 and 18,498 is: 24,813.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,790 : 18,498 = 18,498 : x
  2. Step 2: Convert to fraction form
    13,790/18,498 = 18,498/x
  3. Step 3: Cross multiply
    13,790x = 18,498 × 18,498
  4. Step 4: Simplify right side
    13,790x = 342,176,004
  5. Step 5: Solve for x
    x = 342,176,004/13,790
  6. Step 6: Final answer
    x = 24,813.34

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.