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Finding the Third Proportional to 2,027.53 and 3,131.16

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Solution

The third proportional to 2,027.53 and 3,131.16 is: 4,835.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.53 : 3,131.16 = 3,131.16 : x
  2. Step 2: Convert to fraction form
    2,027.53/3,131.16 = 3,131.16/x
  3. Step 3: Cross multiply
    2,027.53x = 3,131.16 × 3,131.16
  4. Step 4: Simplify right side
    2,027.53x = 9,804,139.46
  5. Step 5: Solve for x
    x = 9,804,139.46/2,027.53
  6. Step 6: Final answer
    x = 4,835.51

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.