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Finding the Third Proportional to 446 and 818.50

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Solution

The third proportional to 446 and 818.50 is: 1,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    446 : 818.50 = 818.50 : x
  2. Step 2: Convert to fraction form
    446/818.50 = 818.50/x
  3. Step 3: Cross multiply
    446x = 818.50 × 818.50
  4. Step 4: Simplify right side
    446x = 669,942.25
  5. Step 5: Solve for x
    x = 669,942.25/446
  6. Step 6: Final answer
    x = 1,502.11

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.