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Finding the Third Proportional to 220.50 and 463.50

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Solution

The third proportional to 220.50 and 463.50 is: 974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220.50 : 463.50 = 463.50 : x
  2. Step 2: Convert to fraction form
    220.50/463.50 = 463.50/x
  3. Step 3: Cross multiply
    220.50x = 463.50 × 463.50
  4. Step 4: Simplify right side
    220.50x = 214,832.25
  5. Step 5: Solve for x
    x = 214,832.25/220.50
  6. Step 6: Final answer
    x = 974.30

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.