Home / 2,171,139.19-3,184,170.75

Finding the Third Proportional to 2,171,139.19 and 3,184,170.75

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Solution

The third proportional to 2,171,139.19 and 3,184,170.75 is: 4,669,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,139.19 : 3,184,170.75 = 3,184,170.75 : x
  2. Step 2: Convert to fraction form
    2,171,139.19/3,184,170.75 = 3,184,170.75/x
  3. Step 3: Cross multiply
    2,171,139.19x = 3,184,170.75 × 3,184,170.75
  4. Step 4: Simplify right side
    2,171,139.19x = 10,138,943,365,155.56
  5. Step 5: Solve for x
    x = 10,138,943,365,155.56/2,171,139.19
  6. Step 6: Final answer
    x = 4,669,872.58

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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.