Home / 220,942,515.38-331,413,773.06

Finding the Third Proportional to 220,942,515.38 and 331,413,773.06

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Solution

The third proportional to 220,942,515.38 and 331,413,773.06 is: 497,120,659.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,942,515.38 : 331,413,773.06 = 331,413,773.06 : x
  2. Step 2: Convert to fraction form
    220,942,515.38/331,413,773.06 = 331,413,773.06/x
  3. Step 3: Cross multiply
    220,942,515.38x = 331,413,773.06 × 331,413,773.06
  4. Step 4: Simplify right side
    220,942,515.38x = 109,835,088,975,522,256
  5. Step 5: Solve for x
    x = 109,835,088,975,522,256/220,942,515.38
  6. Step 6: Final answer
    x = 497,120,659.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.