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Finding the Third Proportional to 137,922.75 and 312,396.75

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Solution

The third proportional to 137,922.75 and 312,396.75 is: 707,582.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,922.75 : 312,396.75 = 312,396.75 : x
  2. Step 2: Convert to fraction form
    137,922.75/312,396.75 = 312,396.75/x
  3. Step 3: Cross multiply
    137,922.75x = 312,396.75 × 312,396.75
  4. Step 4: Simplify right side
    137,922.75x = 97,591,729,410.56
  5. Step 5: Solve for x
    x = 97,591,729,410.56/137,922.75
  6. Step 6: Final answer
    x = 707,582.54

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.