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Finding the Third Proportional to 558.56 and 734.52

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Solution

The third proportional to 558.56 and 734.52 is: 965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    558.56 : 734.52 = 734.52 : x
  2. Step 2: Convert to fraction form
    558.56/734.52 = 734.52/x
  3. Step 3: Cross multiply
    558.56x = 734.52 × 734.52
  4. Step 4: Simplify right side
    558.56x = 539,518.94
  5. Step 5: Solve for x
    x = 539,518.94/558.56
  6. Step 6: Final answer
    x = 965.91

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.