Home / 2,170,749.38-3,191,087.81

Finding the Third Proportional to 2,170,749.38 and 3,191,087.81

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Solution

The third proportional to 2,170,749.38 and 3,191,087.81 is: 4,691,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,749.38 : 3,191,087.81 = 3,191,087.81 : x
  2. Step 2: Convert to fraction form
    2,170,749.38/3,191,087.81 = 3,191,087.81/x
  3. Step 3: Cross multiply
    2,170,749.38x = 3,191,087.81 × 3,191,087.81
  4. Step 4: Simplify right side
    2,170,749.38x = 10,183,041,427,086.04
  5. Step 5: Solve for x
    x = 10,183,041,427,086.04/2,170,749.38
  6. Step 6: Final answer
    x = 4,691,025.85

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.