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Finding the Third Proportional to 3,160,431.42 and 6,800,520.80

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Solution

The third proportional to 3,160,431.42 and 6,800,520.80 is: 14,633,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160,431.42 : 6,800,520.80 = 6,800,520.80 : x
  2. Step 2: Convert to fraction form
    3,160,431.42/6,800,520.80 = 6,800,520.80/x
  3. Step 3: Cross multiply
    3,160,431.42x = 6,800,520.80 × 6,800,520.80
  4. Step 4: Simplify right side
    3,160,431.42x = 46,247,083,108,729.38
  5. Step 5: Solve for x
    x = 46,247,083,108,729.38/3,160,431.42
  6. Step 6: Final answer
    x = 14,633,155.08

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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.