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Finding the Third Proportional to 294.19 and 627.47

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Solution

The third proportional to 294.19 and 627.47 is: 1,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    294.19 : 627.47 = 627.47 : x
  2. Step 2: Convert to fraction form
    294.19/627.47 = 627.47/x
  3. Step 3: Cross multiply
    294.19x = 627.47 × 627.47
  4. Step 4: Simplify right side
    294.19x = 393,717.03
  5. Step 5: Solve for x
    x = 393,717.03/294.19
  6. Step 6: Final answer
    x = 1,338.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.