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Finding the Third Proportional to 940.13 and 1,261.13

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Solution

The third proportional to 940.13 and 1,261.13 is: 1,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    940.13 : 1,261.13 = 1,261.13 : x
  2. Step 2: Convert to fraction form
    940.13/1,261.13 = 1,261.13/x
  3. Step 3: Cross multiply
    940.13x = 1,261.13 × 1,261.13
  4. Step 4: Simplify right side
    940.13x = 1,590,436.27
  5. Step 5: Solve for x
    x = 1,590,436.27/940.13
  6. Step 6: Final answer
    x = 1,691.73

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.