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Finding the Third Proportional to 179.47 and 275.94

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Solution

The third proportional to 179.47 and 275.94 is: 424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.47 : 275.94 = 275.94 : x
  2. Step 2: Convert to fraction form
    179.47/275.94 = 275.94/x
  3. Step 3: Cross multiply
    179.47x = 275.94 × 275.94
  4. Step 4: Simplify right side
    179.47x = 76,141.50
  5. Step 5: Solve for x
    x = 76,141.50/179.47
  6. Step 6: Final answer
    x = 424.26

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.