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Finding the Third Proportional to 1,512,313.50 and 3,322,788

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Solution

The third proportional to 1,512,313.50 and 3,322,788 is: 7,300,682.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,313.50 : 3,322,788 = 3,322,788 : x
  2. Step 2: Convert to fraction form
    1,512,313.50/3,322,788 = 3,322,788/x
  3. Step 3: Cross multiply
    1,512,313.50x = 3,322,788 × 3,322,788
  4. Step 4: Simplify right side
    1,512,313.50x = 11,040,920,092,944
  5. Step 5: Solve for x
    x = 11,040,920,092,944/1,512,313.50
  6. Step 6: Final answer
    x = 7,300,682.10

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.