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Finding the Third Proportional to 205,119 and 430,967.25

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Solution

The third proportional to 205,119 and 430,967.25 is: 905,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,119 : 430,967.25 = 430,967.25 : x
  2. Step 2: Convert to fraction form
    205,119/430,967.25 = 430,967.25/x
  3. Step 3: Cross multiply
    205,119x = 430,967.25 × 430,967.25
  4. Step 4: Simplify right side
    205,119x = 185,732,770,572.56
  5. Step 5: Solve for x
    x = 185,732,770,572.56/205,119
  6. Step 6: Final answer
    x = 905,487.89

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.