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Finding the Third Proportional to 289,219.50 and 622,846.13

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Solution

The third proportional to 289,219.50 and 622,846.13 is: 1,341,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,219.50 : 622,846.13 = 622,846.13 : x
  2. Step 2: Convert to fraction form
    289,219.50/622,846.13 = 622,846.13/x
  3. Step 3: Cross multiply
    289,219.50x = 622,846.13 × 622,846.13
  4. Step 4: Simplify right side
    289,219.50x = 387,937,295,427.52
  5. Step 5: Solve for x
    x = 387,937,295,427.52/289,219.50
  6. Step 6: Final answer
    x = 1,341,324.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.