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Finding the Third Proportional to 270.84 and 465.61

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Solution

The third proportional to 270.84 and 465.61 is: 800.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.84 : 465.61 = 465.61 : x
  2. Step 2: Convert to fraction form
    270.84/465.61 = 465.61/x
  3. Step 3: Cross multiply
    270.84x = 465.61 × 465.61
  4. Step 4: Simplify right side
    270.84x = 216,792.09
  5. Step 5: Solve for x
    x = 216,792.09/270.84
  6. Step 6: Final answer
    x = 800.43

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Why These Related Problems?

These problems maintain the same ratio (1.72) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.