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Finding the Third Proportional to 986.06 and 1,512.84

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Solution

The third proportional to 986.06 and 1,512.84 is: 2,321.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986.06 : 1,512.84 = 1,512.84 : x
  2. Step 2: Convert to fraction form
    986.06/1,512.84 = 1,512.84/x
  3. Step 3: Cross multiply
    986.06x = 1,512.84 × 1,512.84
  4. Step 4: Simplify right side
    986.06x = 2,288,696.21
  5. Step 5: Solve for x
    x = 2,288,696.21/986.06
  6. Step 6: Final answer
    x = 2,321.05

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.