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Finding the Third Proportional to 1,859 and 2,259

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Solution

The third proportional to 1,859 and 2,259 is: 2,745.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,859 : 2,259 = 2,259 : x
  2. Step 2: Convert to fraction form
    1,859/2,259 = 2,259/x
  3. Step 3: Cross multiply
    1,859x = 2,259 × 2,259
  4. Step 4: Simplify right side
    1,859x = 5,103,081
  5. Step 5: Solve for x
    x = 5,103,081/1,859
  6. Step 6: Final answer
    x = 2,745.07

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.