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Finding the Third Proportional to 448.50 and 627

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Solution

The third proportional to 448.50 and 627 is: 876.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448.50 : 627 = 627 : x
  2. Step 2: Convert to fraction form
    448.50/627 = 627/x
  3. Step 3: Cross multiply
    448.50x = 627 × 627
  4. Step 4: Simplify right side
    448.50x = 393,129
  5. Step 5: Solve for x
    x = 393,129/448.50
  6. Step 6: Final answer
    x = 876.54

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.