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Finding the Third Proportional to 259,800 and 389,704

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Solution

The third proportional to 259,800 and 389,704 is: 584,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,800 : 389,704 = 389,704 : x
  2. Step 2: Convert to fraction form
    259,800/389,704 = 389,704/x
  3. Step 3: Cross multiply
    259,800x = 389,704 × 389,704
  4. Step 4: Simplify right side
    259,800x = 151,869,207,616
  5. Step 5: Solve for x
    x = 151,869,207,616/259,800
  6. Step 6: Final answer
    x = 584,562.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.