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Finding the Third Proportional to 331,039 and 701,800

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Solution

The third proportional to 331,039 and 701,800 is: 1,487,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,039 : 701,800 = 701,800 : x
  2. Step 2: Convert to fraction form
    331,039/701,800 = 701,800/x
  3. Step 3: Cross multiply
    331,039x = 701,800 × 701,800
  4. Step 4: Simplify right side
    331,039x = 492,523,240,000
  5. Step 5: Solve for x
    x = 492,523,240,000/331,039
  6. Step 6: Final answer
    x = 1,487,810.32

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.