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Finding the Third Proportional to 133,330.50 and 206,394.75

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Solution

The third proportional to 133,330.50 and 206,394.75 is: 319,497.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,330.50 : 206,394.75 = 206,394.75 : x
  2. Step 2: Convert to fraction form
    133,330.50/206,394.75 = 206,394.75/x
  3. Step 3: Cross multiply
    133,330.50x = 206,394.75 × 206,394.75
  4. Step 4: Simplify right side
    133,330.50x = 42,598,792,827.56
  5. Step 5: Solve for x
    x = 42,598,792,827.56/133,330.50
  6. Step 6: Final answer
    x = 319,497.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.