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Finding the Third Proportional to 18,104 and 28,792

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Solution

The third proportional to 18,104 and 28,792 is: 45,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,104 : 28,792 = 28,792 : x
  2. Step 2: Convert to fraction form
    18,104/28,792 = 28,792/x
  3. Step 3: Cross multiply
    18,104x = 28,792 × 28,792
  4. Step 4: Simplify right side
    18,104x = 828,979,264
  5. Step 5: Solve for x
    x = 828,979,264/18,104
  6. Step 6: Final answer
    x = 45,789.84

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.