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Finding the Third Proportional to 475.25 and 1,028.50

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Solution

The third proportional to 475.25 and 1,028.50 is: 2,225.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    475.25 : 1,028.50 = 1,028.50 : x
  2. Step 2: Convert to fraction form
    475.25/1,028.50 = 1,028.50/x
  3. Step 3: Cross multiply
    475.25x = 1,028.50 × 1,028.50
  4. Step 4: Simplify right side
    475.25x = 1,057,812.25
  5. Step 5: Solve for x
    x = 1,057,812.25/475.25
  6. Step 6: Final answer
    x = 2,225.80

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.