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Finding the Third Proportional to 331,300.50 and 516,633.75

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Solution

The third proportional to 331,300.50 and 516,633.75 is: 805,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,300.50 : 516,633.75 = 516,633.75 : x
  2. Step 2: Convert to fraction form
    331,300.50/516,633.75 = 516,633.75/x
  3. Step 3: Cross multiply
    331,300.50x = 516,633.75 × 516,633.75
  4. Step 4: Simplify right side
    331,300.50x = 266,910,431,639.06
  5. Step 5: Solve for x
    x = 266,910,431,639.06/331,300.50
  6. Step 6: Final answer
    x = 805,644.52

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.