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Finding the Third Proportional to 18,536 and 30,660

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Solution

The third proportional to 18,536 and 30,660 is: 50,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,536 : 30,660 = 30,660 : x
  2. Step 2: Convert to fraction form
    18,536/30,660 = 30,660/x
  3. Step 3: Cross multiply
    18,536x = 30,660 × 30,660
  4. Step 4: Simplify right side
    18,536x = 940,035,600
  5. Step 5: Solve for x
    x = 940,035,600/18,536
  6. Step 6: Final answer
    x = 50,714.05

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.