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Finding the Third Proportional to 536.25 and 805.75

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Solution

The third proportional to 536.25 and 805.75 is: 1,210.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.25 : 805.75 = 805.75 : x
  2. Step 2: Convert to fraction form
    536.25/805.75 = 805.75/x
  3. Step 3: Cross multiply
    536.25x = 805.75 × 805.75
  4. Step 4: Simplify right side
    536.25x = 649,233.06
  5. Step 5: Solve for x
    x = 649,233.06/536.25
  6. Step 6: Final answer
    x = 1,210.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.