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Finding the Third Proportional to 270.75 and 497.63

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Solution

The third proportional to 270.75 and 497.63 is: 914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270.75 : 497.63 = 497.63 : x
  2. Step 2: Convert to fraction form
    270.75/497.63 = 497.63/x
  3. Step 3: Cross multiply
    270.75x = 497.63 × 497.63
  4. Step 4: Simplify right side
    270.75x = 247,630.64
  5. Step 5: Solve for x
    x = 247,630.64/270.75
  6. Step 6: Final answer
    x = 914.61

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.