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Finding the Third Proportional to 227,938.50 and 489,107

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Solution

The third proportional to 227,938.50 and 489,107 is: 1,049,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,938.50 : 489,107 = 489,107 : x
  2. Step 2: Convert to fraction form
    227,938.50/489,107 = 489,107/x
  3. Step 3: Cross multiply
    227,938.50x = 489,107 × 489,107
  4. Step 4: Simplify right side
    227,938.50x = 239,225,657,449
  5. Step 5: Solve for x
    x = 239,225,657,449/227,938.50
  6. Step 6: Final answer
    x = 1,049,518.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.