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Finding the Third Proportional to 169.80 and 370.51

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Solution

The third proportional to 169.80 and 370.51 is: 808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.80 : 370.51 = 370.51 : x
  2. Step 2: Convert to fraction form
    169.80/370.51 = 370.51/x
  3. Step 3: Cross multiply
    169.80x = 370.51 × 370.51
  4. Step 4: Simplify right side
    169.80x = 137,278.93
  5. Step 5: Solve for x
    x = 137,278.93/169.80
  6. Step 6: Final answer
    x = 808.45

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.