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Finding the Third Proportional to 91,847.25 and 140,406.75

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Solution

The third proportional to 91,847.25 and 140,406.75 is: 214,639.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,847.25 : 140,406.75 = 140,406.75 : x
  2. Step 2: Convert to fraction form
    91,847.25/140,406.75 = 140,406.75/x
  3. Step 3: Cross multiply
    91,847.25x = 140,406.75 × 140,406.75
  4. Step 4: Simplify right side
    91,847.25x = 19,714,055,445.56
  5. Step 5: Solve for x
    x = 19,714,055,445.56/91,847.25
  6. Step 6: Final answer
    x = 214,639.58

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.