Home / 2,989,776.38-6,378,180.75

Finding the Third Proportional to 2,989,776.38 and 6,378,180.75

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Solution

The third proportional to 2,989,776.38 and 6,378,180.75 is: 13,606,766.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989,776.38 : 6,378,180.75 = 6,378,180.75 : x
  2. Step 2: Convert to fraction form
    2,989,776.38/6,378,180.75 = 6,378,180.75/x
  3. Step 3: Cross multiply
    2,989,776.38x = 6,378,180.75 × 6,378,180.75
  4. Step 4: Simplify right side
    2,989,776.38x = 40,681,189,679,670.56
  5. Step 5: Solve for x
    x = 40,681,189,679,670.56/2,989,776.38
  6. Step 6: Final answer
    x = 13,606,766.72

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.