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Finding the Third Proportional to 210.94 and 324.84

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Solution

The third proportional to 210.94 and 324.84 is: 500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210.94 : 324.84 = 324.84 : x
  2. Step 2: Convert to fraction form
    210.94/324.84 = 324.84/x
  3. Step 3: Cross multiply
    210.94x = 324.84 × 324.84
  4. Step 4: Simplify right side
    210.94x = 105,523.46
  5. Step 5: Solve for x
    x = 105,523.46/210.94
  6. Step 6: Final answer
    x = 500.26

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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.