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Finding the Third Proportional to 297,162.75 and 618,949.50

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Solution

The third proportional to 297,162.75 and 618,949.50 is: 1,289,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,162.75 : 618,949.50 = 618,949.50 : x
  2. Step 2: Convert to fraction form
    297,162.75/618,949.50 = 618,949.50/x
  3. Step 3: Cross multiply
    297,162.75x = 618,949.50 × 618,949.50
  4. Step 4: Simplify right side
    297,162.75x = 383,098,483,550.25
  5. Step 5: Solve for x
    x = 383,098,483,550.25/297,162.75
  6. Step 6: Final answer
    x = 1,289,187.44

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.