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Finding the Third Proportional to 37,660 and 81,518

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Solution

The third proportional to 37,660 and 81,518 is: 176,452.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,660 : 81,518 = 81,518 : x
  2. Step 2: Convert to fraction form
    37,660/81,518 = 81,518/x
  3. Step 3: Cross multiply
    37,660x = 81,518 × 81,518
  4. Step 4: Simplify right side
    37,660x = 6,645,184,324
  5. Step 5: Solve for x
    x = 6,645,184,324/37,660
  6. Step 6: Final answer
    x = 176,452.05

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.