Home / 121,285,361.39-263,821,160.74

Finding the Third Proportional to 121,285,361.39 and 263,821,160.74

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Solution

The third proportional to 121,285,361.39 and 263,821,160.74 is: 573,866,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285,361.39 : 263,821,160.74 = 263,821,160.74 : x
  2. Step 2: Convert to fraction form
    121,285,361.39/263,821,160.74 = 263,821,160.74/x
  3. Step 3: Cross multiply
    121,285,361.39x = 263,821,160.74 × 263,821,160.74
  4. Step 4: Simplify right side
    121,285,361.39x = 69,601,604,855,351,176
  5. Step 5: Solve for x
    x = 69,601,604,855,351,176/121,285,361.39
  6. Step 6: Final answer
    x = 573,866,491.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.