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Finding the Third Proportional to 896.06 and 1,989.56

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Solution

The third proportional to 896.06 and 1,989.56 is: 4,417.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    896.06 : 1,989.56 = 1,989.56 : x
  2. Step 2: Convert to fraction form
    896.06/1,989.56 = 1,989.56/x
  3. Step 3: Cross multiply
    896.06x = 1,989.56 × 1,989.56
  4. Step 4: Simplify right side
    896.06x = 3,958,358.94
  5. Step 5: Solve for x
    x = 3,958,358.94/896.06
  6. Step 6: Final answer
    x = 4,417.50

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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.