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Finding the Third Proportional to 383.44 and 900.84

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Solution

The third proportional to 383.44 and 900.84 is: 2,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383.44 : 900.84 = 900.84 : x
  2. Step 2: Convert to fraction form
    383.44/900.84 = 900.84/x
  3. Step 3: Cross multiply
    383.44x = 900.84 × 900.84
  4. Step 4: Simplify right side
    383.44x = 811,519.46
  5. Step 5: Solve for x
    x = 811,519.46/383.44
  6. Step 6: Final answer
    x = 2,116.43

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.