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Finding the Third Proportional to 64,825.95 and 140,311.62

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Solution

The third proportional to 64,825.95 and 140,311.62 is: 303,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,825.95 : 140,311.62 = 140,311.62 : x
  2. Step 2: Convert to fraction form
    64,825.95/140,311.62 = 140,311.62/x
  3. Step 3: Cross multiply
    64,825.95x = 140,311.62 × 140,311.62
  4. Step 4: Simplify right side
    64,825.95x = 19,687,349,917.77
  5. Step 5: Solve for x
    x = 19,687,349,917.77/64,825.95
  6. Step 6: Final answer
    x = 303,695.53

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.