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Finding the Third Proportional to 840 and 1,593

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Solution

The third proportional to 840 and 1,593 is: 3,021.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    840 : 1,593 = 1,593 : x
  2. Step 2: Convert to fraction form
    840/1,593 = 1,593/x
  3. Step 3: Cross multiply
    840x = 1,593 × 1,593
  4. Step 4: Simplify right side
    840x = 2,537,649
  5. Step 5: Solve for x
    x = 2,537,649/840
  6. Step 6: Final answer
    x = 3,021.01

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.