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Finding the Third Proportional to 626.53 and 1,696.13

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Solution

The third proportional to 626.53 and 1,696.13 is: 4,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626.53 : 1,696.13 = 1,696.13 : x
  2. Step 2: Convert to fraction form
    626.53/1,696.13 = 1,696.13/x
  3. Step 3: Cross multiply
    626.53x = 1,696.13 × 1,696.13
  4. Step 4: Simplify right side
    626.53x = 2,876,840.02
  5. Step 5: Solve for x
    x = 2,876,840.02/626.53
  6. Step 6: Final answer
    x = 4,591.69

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Why These Related Problems?

These problems maintain the same ratio (2.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.