Home / 1,268,928.91-2,642,421.87

Finding the Third Proportional to 1,268,928.91 and 2,642,421.87

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Solution

The third proportional to 1,268,928.91 and 2,642,421.87 is: 5,502,588.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,928.91 : 2,642,421.87 = 2,642,421.87 : x
  2. Step 2: Convert to fraction form
    1,268,928.91/2,642,421.87 = 2,642,421.87/x
  3. Step 3: Cross multiply
    1,268,928.91x = 2,642,421.87 × 2,642,421.87
  4. Step 4: Simplify right side
    1,268,928.91x = 6,982,393,324,190.67
  5. Step 5: Solve for x
    x = 6,982,393,324,190.67/1,268,928.91
  6. Step 6: Final answer
    x = 5,502,588.24

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.