Home / 1,928,505.38-4,147,243.88

Finding the Third Proportional to 1,928,505.38 and 4,147,243.88

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Solution

The third proportional to 1,928,505.38 and 4,147,243.88 is: 8,918,633.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,505.38 : 4,147,243.88 = 4,147,243.88 : x
  2. Step 2: Convert to fraction form
    1,928,505.38/4,147,243.88 = 4,147,243.88/x
  3. Step 3: Cross multiply
    1,928,505.38x = 4,147,243.88 × 4,147,243.88
  4. Step 4: Simplify right side
    1,928,505.38x = 17,199,631,758,725.02
  5. Step 5: Solve for x
    x = 17,199,631,758,725.02/1,928,505.38
  6. Step 6: Final answer
    x = 8,918,633.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.