Home / 82,278,767.25-171,367,698.75

Finding the Third Proportional to 82,278,767.25 and 171,367,698.75

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Solution

The third proportional to 82,278,767.25 and 171,367,698.75 is: 356,919,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,278,767.25 : 171,367,698.75 = 171,367,698.75 : x
  2. Step 2: Convert to fraction form
    82,278,767.25/171,367,698.75 = 171,367,698.75/x
  3. Step 3: Cross multiply
    82,278,767.25x = 171,367,698.75 × 171,367,698.75
  4. Step 4: Simplify right side
    82,278,767.25x = 29,366,888,174,870,752
  5. Step 5: Solve for x
    x = 29,366,888,174,870,752/82,278,767.25
  6. Step 6: Final answer
    x = 356,919,399.21

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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.