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Finding the Third Proportional to 739.13 and 1,111.22

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Solution

The third proportional to 739.13 and 1,111.22 is: 1,670.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.13 : 1,111.22 = 1,111.22 : x
  2. Step 2: Convert to fraction form
    739.13/1,111.22 = 1,111.22/x
  3. Step 3: Cross multiply
    739.13x = 1,111.22 × 1,111.22
  4. Step 4: Simplify right side
    739.13x = 1,234,807.11
  5. Step 5: Solve for x
    x = 1,234,807.11/739.13
  6. Step 6: Final answer
    x = 1,670.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.