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Finding the Third Proportional to 226.50 and 322.50

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Solution

The third proportional to 226.50 and 322.50 is: 459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.50 : 322.50 = 322.50 : x
  2. Step 2: Convert to fraction form
    226.50/322.50 = 322.50/x
  3. Step 3: Cross multiply
    226.50x = 322.50 × 322.50
  4. Step 4: Simplify right side
    226.50x = 104,006.25
  5. Step 5: Solve for x
    x = 104,006.25/226.50
  6. Step 6: Final answer
    x = 459.19

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.