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Finding the Third Proportional to 1,231.88 and 1,943.44

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Solution

The third proportional to 1,231.88 and 1,943.44 is: 3,066.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.88 : 1,943.44 = 1,943.44 : x
  2. Step 2: Convert to fraction form
    1,231.88/1,943.44 = 1,943.44/x
  3. Step 3: Cross multiply
    1,231.88x = 1,943.44 × 1,943.44
  4. Step 4: Simplify right side
    1,231.88x = 3,776,949.32
  5. Step 5: Solve for x
    x = 3,776,949.32/1,231.88
  6. Step 6: Final answer
    x = 3,066.02

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.