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Finding the Third Proportional to 239,850 and 555,318

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Solution

The third proportional to 239,850 and 555,318 is: 1,285,712.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,850 : 555,318 = 555,318 : x
  2. Step 2: Convert to fraction form
    239,850/555,318 = 555,318/x
  3. Step 3: Cross multiply
    239,850x = 555,318 × 555,318
  4. Step 4: Simplify right side
    239,850x = 308,378,081,124
  5. Step 5: Solve for x
    x = 308,378,081,124/239,850
  6. Step 6: Final answer
    x = 1,285,712.24

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.