Home / 1,429,381.69-2,147,251.78

Finding the Third Proportional to 1,429,381.69 and 2,147,251.78

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Solution

The third proportional to 1,429,381.69 and 2,147,251.78 is: 3,225,653.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,381.69 : 2,147,251.78 = 2,147,251.78 : x
  2. Step 2: Convert to fraction form
    1,429,381.69/2,147,251.78 = 2,147,251.78/x
  3. Step 3: Cross multiply
    1,429,381.69x = 2,147,251.78 × 2,147,251.78
  4. Step 4: Simplify right side
    1,429,381.69x = 4,610,690,212,081.30
  5. Step 5: Solve for x
    x = 4,610,690,212,081.30/1,429,381.69
  6. Step 6: Final answer
    x = 3,225,653.62

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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.