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Finding the Third Proportional to 133,870.50 and 215,237.25

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Solution

The third proportional to 133,870.50 and 215,237.25 is: 346,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,870.50 : 215,237.25 = 215,237.25 : x
  2. Step 2: Convert to fraction form
    133,870.50/215,237.25 = 215,237.25/x
  3. Step 3: Cross multiply
    133,870.50x = 215,237.25 × 215,237.25
  4. Step 4: Simplify right side
    133,870.50x = 46,327,073,787.56
  5. Step 5: Solve for x
    x = 46,327,073,787.56/133,870.50
  6. Step 6: Final answer
    x = 346,058.87

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.