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Finding the Third Proportional to 43,983 and 85,765.50

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Solution

The third proportional to 43,983 and 85,765.50 is: 167,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,983 : 85,765.50 = 85,765.50 : x
  2. Step 2: Convert to fraction form
    43,983/85,765.50 = 85,765.50/x
  3. Step 3: Cross multiply
    43,983x = 85,765.50 × 85,765.50
  4. Step 4: Simplify right side
    43,983x = 7,355,720,990.25
  5. Step 5: Solve for x
    x = 7,355,720,990.25/43,983
  6. Step 6: Final answer
    x = 167,240.09

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.