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Finding the Third Proportional to 203,976 and 286,735

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Solution

The third proportional to 203,976 and 286,735 is: 403,071.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,976 : 286,735 = 286,735 : x
  2. Step 2: Convert to fraction form
    203,976/286,735 = 286,735/x
  3. Step 3: Cross multiply
    203,976x = 286,735 × 286,735
  4. Step 4: Simplify right side
    203,976x = 82,216,960,225
  5. Step 5: Solve for x
    x = 82,216,960,225/203,976
  6. Step 6: Final answer
    x = 403,071.74

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.