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Finding the Third Proportional to 611.06 and 897.56

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Solution

The third proportional to 611.06 and 897.56 is: 1,318.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    611.06 : 897.56 = 897.56 : x
  2. Step 2: Convert to fraction form
    611.06/897.56 = 897.56/x
  3. Step 3: Cross multiply
    611.06x = 897.56 × 897.56
  4. Step 4: Simplify right side
    611.06x = 805,618.44
  5. Step 5: Solve for x
    x = 805,618.44/611.06
  6. Step 6: Final answer
    x = 1,318.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.