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Finding the Third Proportional to 151,438.50 and 220,106.25

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Solution

The third proportional to 151,438.50 and 220,106.25 is: 319,910.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,438.50 : 220,106.25 = 220,106.25 : x
  2. Step 2: Convert to fraction form
    151,438.50/220,106.25 = 220,106.25/x
  3. Step 3: Cross multiply
    151,438.50x = 220,106.25 × 220,106.25
  4. Step 4: Simplify right side
    151,438.50x = 48,446,761,289.06
  5. Step 5: Solve for x
    x = 48,446,761,289.06/151,438.50
  6. Step 6: Final answer
    x = 319,910.47

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.