Home / 1,318,440.75-1,981,171.25

Finding the Third Proportional to 1,318,440.75 and 1,981,171.25

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Solution

The third proportional to 1,318,440.75 and 1,981,171.25 is: 2,977,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,440.75 : 1,981,171.25 = 1,981,171.25 : x
  2. Step 2: Convert to fraction form
    1,318,440.75/1,981,171.25 = 1,981,171.25/x
  3. Step 3: Cross multiply
    1,318,440.75x = 1,981,171.25 × 1,981,171.25
  4. Step 4: Simplify right side
    1,318,440.75x = 3,925,039,521,826.56
  5. Step 5: Solve for x
    x = 3,925,039,521,826.56/1,318,440.75
  6. Step 6: Final answer
    x = 2,977,031.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.