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Finding the Third Proportional to 60,840 and 130,734

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Solution

The third proportional to 60,840 and 130,734 is: 280,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,840 : 130,734 = 130,734 : x
  2. Step 2: Convert to fraction form
    60,840/130,734 = 130,734/x
  3. Step 3: Cross multiply
    60,840x = 130,734 × 130,734
  4. Step 4: Simplify right side
    60,840x = 17,091,378,756
  5. Step 5: Solve for x
    x = 17,091,378,756/60,840
  6. Step 6: Final answer
    x = 280,923.39

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.