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Finding the Third Proportional to 1,190 and 1,738

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Solution

The third proportional to 1,190 and 1,738 is: 2,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190 : 1,738 = 1,738 : x
  2. Step 2: Convert to fraction form
    1,190/1,738 = 1,738/x
  3. Step 3: Cross multiply
    1,190x = 1,738 × 1,738
  4. Step 4: Simplify right side
    1,190x = 3,020,644
  5. Step 5: Solve for x
    x = 3,020,644/1,190
  6. Step 6: Final answer
    x = 2,538.36

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.