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Finding the Third Proportional to 426 and 935.63

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Solution

The third proportional to 426 and 935.63 is: 2,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    426 : 935.63 = 935.63 : x
  2. Step 2: Convert to fraction form
    426/935.63 = 935.63/x
  3. Step 3: Cross multiply
    426x = 935.63 × 935.63
  4. Step 4: Simplify right side
    426x = 875,394.14
  5. Step 5: Solve for x
    x = 875,394.14/426
  6. Step 6: Final answer
    x = 2,054.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.