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Finding the Third Proportional to 440.44 and 916.31

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Solution

The third proportional to 440.44 and 916.31 is: 1,906.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440.44 : 916.31 = 916.31 : x
  2. Step 2: Convert to fraction form
    440.44/916.31 = 916.31/x
  3. Step 3: Cross multiply
    440.44x = 916.31 × 916.31
  4. Step 4: Simplify right side
    440.44x = 839,628.60
  5. Step 5: Solve for x
    x = 839,628.60/440.44
  6. Step 6: Final answer
    x = 1,906.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.