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Finding the Third Proportional to 1,809 and 2,300

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Solution

The third proportional to 1,809 and 2,300 is: 2,924.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809 : 2,300 = 2,300 : x
  2. Step 2: Convert to fraction form
    1,809/2,300 = 2,300/x
  3. Step 3: Cross multiply
    1,809x = 2,300 × 2,300
  4. Step 4: Simplify right side
    1,809x = 5,290,000
  5. Step 5: Solve for x
    x = 5,290,000/1,809
  6. Step 6: Final answer
    x = 2,924.27

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Why These Related Problems?

These problems maintain the same ratio (1.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.