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Finding the Third Proportional to 368.25 and 790

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Solution

The third proportional to 368.25 and 790 is: 1,694.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.25 : 790 = 790 : x
  2. Step 2: Convert to fraction form
    368.25/790 = 790/x
  3. Step 3: Cross multiply
    368.25x = 790 × 790
  4. Step 4: Simplify right side
    368.25x = 624,100
  5. Step 5: Solve for x
    x = 624,100/368.25
  6. Step 6: Final answer
    x = 1,694.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.