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Finding the Third Proportional to 613.13 and 702.56

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Solution

The third proportional to 613.13 and 702.56 is: 805.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    613.13 : 702.56 = 702.56 : x
  2. Step 2: Convert to fraction form
    613.13/702.56 = 702.56/x
  3. Step 3: Cross multiply
    613.13x = 702.56 × 702.56
  4. Step 4: Simplify right side
    613.13x = 493,594.07
  5. Step 5: Solve for x
    x = 493,594.07/613.13
  6. Step 6: Final answer
    x = 805.05

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.