Home / 3,433,139.16-5,311,138.78

Finding the Third Proportional to 3,433,139.16 and 5,311,138.78

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Solution

The third proportional to 3,433,139.16 and 5,311,138.78 is: 8,216,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433,139.16 : 5,311,138.78 = 5,311,138.78 : x
  2. Step 2: Convert to fraction form
    3,433,139.16/5,311,138.78 = 5,311,138.78/x
  3. Step 3: Cross multiply
    3,433,139.16x = 5,311,138.78 × 5,311,138.78
  4. Step 4: Simplify right side
    3,433,139.16x = 28,208,195,153,697.73
  5. Step 5: Solve for x
    x = 28,208,195,153,697.73/3,433,139.16
  6. Step 6: Final answer
    x = 8,216,443.86

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.