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Finding the Third Proportional to 13,520 and 15,536

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Solution

The third proportional to 13,520 and 15,536 is: 17,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520 : 15,536 = 15,536 : x
  2. Step 2: Convert to fraction form
    13,520/15,536 = 15,536/x
  3. Step 3: Cross multiply
    13,520x = 15,536 × 15,536
  4. Step 4: Simplify right side
    13,520x = 241,367,296
  5. Step 5: Solve for x
    x = 241,367,296/13,520
  6. Step 6: Final answer
    x = 17,852.61

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.