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Finding the Third Proportional to 13,516 and 18,566

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Solution

The third proportional to 13,516 and 18,566 is: 25,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516 : 18,566 = 18,566 : x
  2. Step 2: Convert to fraction form
    13,516/18,566 = 18,566/x
  3. Step 3: Cross multiply
    13,516x = 18,566 × 18,566
  4. Step 4: Simplify right side
    13,516x = 344,696,356
  5. Step 5: Solve for x
    x = 344,696,356/13,516
  6. Step 6: Final answer
    x = 25,502.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.