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Finding the Third Proportional to 274.50 and 536.25

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Solution

The third proportional to 274.50 and 536.25 is: 1,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    274.50 : 536.25 = 536.25 : x
  2. Step 2: Convert to fraction form
    274.50/536.25 = 536.25/x
  3. Step 3: Cross multiply
    274.50x = 536.25 × 536.25
  4. Step 4: Simplify right side
    274.50x = 287,564.06
  5. Step 5: Solve for x
    x = 287,564.06/274.50
  6. Step 6: Final answer
    x = 1,047.59

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.