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Finding the Third Proportional to 1,205 and 1,844.75

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Solution

The third proportional to 1,205 and 1,844.75 is: 2,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205 : 1,844.75 = 1,844.75 : x
  2. Step 2: Convert to fraction form
    1,205/1,844.75 = 1,844.75/x
  3. Step 3: Cross multiply
    1,205x = 1,844.75 × 1,844.75
  4. Step 4: Simplify right side
    1,205x = 3,403,102.56
  5. Step 5: Solve for x
    x = 3,403,102.56/1,205
  6. Step 6: Final answer
    x = 2,824.15

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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.