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Finding the Third Proportional to 175.08 and 380.53

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Solution

The third proportional to 175.08 and 380.53 is: 827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.08 : 380.53 = 380.53 : x
  2. Step 2: Convert to fraction form
    175.08/380.53 = 380.53/x
  3. Step 3: Cross multiply
    175.08x = 380.53 × 380.53
  4. Step 4: Simplify right side
    175.08x = 144,804.03
  5. Step 5: Solve for x
    x = 144,804.03/175.08
  6. Step 6: Final answer
    x = 827.08

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.