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Finding the Third Proportional to 536.50 and 672

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Solution

The third proportional to 536.50 and 672 is: 841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.50 : 672 = 672 : x
  2. Step 2: Convert to fraction form
    536.50/672 = 672/x
  3. Step 3: Cross multiply
    536.50x = 672 × 672
  4. Step 4: Simplify right side
    536.50x = 451,584
  5. Step 5: Solve for x
    x = 451,584/536.50
  6. Step 6: Final answer
    x = 841.72

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Why These Related Problems?

These problems maintain the same ratio (1.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.