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Finding the Third Proportional to 336,697.50 and 720,687

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Solution

The third proportional to 336,697.50 and 720,687 is: 1,542,600.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,697.50 : 720,687 = 720,687 : x
  2. Step 2: Convert to fraction form
    336,697.50/720,687 = 720,687/x
  3. Step 3: Cross multiply
    336,697.50x = 720,687 × 720,687
  4. Step 4: Simplify right side
    336,697.50x = 519,389,751,969
  5. Step 5: Solve for x
    x = 519,389,751,969/336,697.50
  6. Step 6: Final answer
    x = 1,542,600.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.