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Finding the Third Proportional to 68,592 and 139,092

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Solution

The third proportional to 68,592 and 139,092 is: 282,053.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,592 : 139,092 = 139,092 : x
  2. Step 2: Convert to fraction form
    68,592/139,092 = 139,092/x
  3. Step 3: Cross multiply
    68,592x = 139,092 × 139,092
  4. Step 4: Simplify right side
    68,592x = 19,346,584,464
  5. Step 5: Solve for x
    x = 19,346,584,464/68,592
  6. Step 6: Final answer
    x = 282,053.07

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.