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Finding the Third Proportional to 137,667.50 and 304,815.50

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Solution

The third proportional to 137,667.50 and 304,815.50 is: 674,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,667.50 : 304,815.50 = 304,815.50 : x
  2. Step 2: Convert to fraction form
    137,667.50/304,815.50 = 304,815.50/x
  3. Step 3: Cross multiply
    137,667.50x = 304,815.50 × 304,815.50
  4. Step 4: Simplify right side
    137,667.50x = 92,912,489,040.25
  5. Step 5: Solve for x
    x = 92,912,489,040.25/137,667.50
  6. Step 6: Final answer
    x = 674,905.04

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.