Home / 191,217,121.88-422,628,610.50

Finding the Third Proportional to 191,217,121.88 and 422,628,610.50

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Solution

The third proportional to 191,217,121.88 and 422,628,610.50 is: 934,094,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,217,121.88 : 422,628,610.50 = 422,628,610.50 : x
  2. Step 2: Convert to fraction form
    191,217,121.88/422,628,610.50 = 422,628,610.50/x
  3. Step 3: Cross multiply
    191,217,121.88x = 422,628,610.50 × 422,628,610.50
  4. Step 4: Simplify right side
    191,217,121.88x = 178,614,942,413,160,704
  5. Step 5: Solve for x
    x = 178,614,942,413,160,704/191,217,121.88
  6. Step 6: Final answer
    x = 934,094,921.32

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.