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Finding the Third Proportional to 412.50 and 536

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Solution

The third proportional to 412.50 and 536 is: 696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    412.50 : 536 = 536 : x
  2. Step 2: Convert to fraction form
    412.50/536 = 536/x
  3. Step 3: Cross multiply
    412.50x = 536 × 536
  4. Step 4: Simplify right side
    412.50x = 287,296
  5. Step 5: Solve for x
    x = 287,296/412.50
  6. Step 6: Final answer
    x = 696.48

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.