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Finding the Third Proportional to 1,369.13 and 1,743.19

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Solution

The third proportional to 1,369.13 and 1,743.19 is: 2,219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369.13 : 1,743.19 = 1,743.19 : x
  2. Step 2: Convert to fraction form
    1,369.13/1,743.19 = 1,743.19/x
  3. Step 3: Cross multiply
    1,369.13x = 1,743.19 × 1,743.19
  4. Step 4: Simplify right side
    1,369.13x = 3,038,702.66
  5. Step 5: Solve for x
    x = 3,038,702.66/1,369.13
  6. Step 6: Final answer
    x = 2,219.45

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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.