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Finding the Third Proportional to 869.94 and 1,927.44

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Solution

The third proportional to 869.94 and 1,927.44 is: 4,270.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    869.94 : 1,927.44 = 1,927.44 : x
  2. Step 2: Convert to fraction form
    869.94/1,927.44 = 1,927.44/x
  3. Step 3: Cross multiply
    869.94x = 1,927.44 × 1,927.44
  4. Step 4: Simplify right side
    869.94x = 3,715,015.32
  5. Step 5: Solve for x
    x = 3,715,015.32/869.94
  6. Step 6: Final answer
    x = 4,270.44

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.