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Finding the Third Proportional to 82,612 and 124,692

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Solution

The third proportional to 82,612 and 124,692 is: 188,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,612 : 124,692 = 124,692 : x
  2. Step 2: Convert to fraction form
    82,612/124,692 = 124,692/x
  3. Step 3: Cross multiply
    82,612x = 124,692 × 124,692
  4. Step 4: Simplify right side
    82,612x = 15,548,094,864
  5. Step 5: Solve for x
    x = 15,548,094,864/82,612
  6. Step 6: Final answer
    x = 188,206.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.