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Finding the Third Proportional to 605.44 and 931.88

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Solution

The third proportional to 605.44 and 931.88 is: 1,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605.44 : 931.88 = 931.88 : x
  2. Step 2: Convert to fraction form
    605.44/931.88 = 931.88/x
  3. Step 3: Cross multiply
    605.44x = 931.88 × 931.88
  4. Step 4: Simplify right side
    605.44x = 868,391.02
  5. Step 5: Solve for x
    x = 868,391.02/605.44
  6. Step 6: Final answer
    x = 1,434.32

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.