Home / 218,035,086.75-335,135,029.50

Finding the Third Proportional to 218,035,086.75 and 335,135,029.50

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Solution

The third proportional to 218,035,086.75 and 335,135,029.50 is: 515,125,751.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,035,086.75 : 335,135,029.50 = 335,135,029.50 : x
  2. Step 2: Convert to fraction form
    218,035,086.75/335,135,029.50 = 335,135,029.50/x
  3. Step 3: Cross multiply
    218,035,086.75x = 335,135,029.50 × 335,135,029.50
  4. Step 4: Simplify right side
    218,035,086.75x = 112,315,487,997,965,872
  5. Step 5: Solve for x
    x = 112,315,487,997,965,872/218,035,086.75
  6. Step 6: Final answer
    x = 515,125,751.88

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.