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Finding the Third Proportional to 536.25 and 580.50

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Solution

The third proportional to 536.25 and 580.50 is: 628.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536.25 : 580.50 = 580.50 : x
  2. Step 2: Convert to fraction form
    536.25/580.50 = 580.50/x
  3. Step 3: Cross multiply
    536.25x = 580.50 × 580.50
  4. Step 4: Simplify right side
    536.25x = 336,980.25
  5. Step 5: Solve for x
    x = 336,980.25/536.25
  6. Step 6: Final answer
    x = 628.40

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.