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Finding the Third Proportional to 219,163 and 296,992

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Solution

The third proportional to 219,163 and 296,992 is: 402,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,163 : 296,992 = 296,992 : x
  2. Step 2: Convert to fraction form
    219,163/296,992 = 296,992/x
  3. Step 3: Cross multiply
    219,163x = 296,992 × 296,992
  4. Step 4: Simplify right side
    219,163x = 88,204,248,064
  5. Step 5: Solve for x
    x = 88,204,248,064/219,163
  6. Step 6: Final answer
    x = 402,459.58

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.