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Finding the Third Proportional to 190,873,167 and 291,856,530

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Solution

The third proportional to 190,873,167 and 291,856,530 is: 446,266,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,873,167 : 291,856,530 = 291,856,530 : x
  2. Step 2: Convert to fraction form
    190,873,167/291,856,530 = 291,856,530/x
  3. Step 3: Cross multiply
    190,873,167x = 291,856,530 × 291,856,530
  4. Step 4: Simplify right side
    190,873,167x = 85,180,234,103,640,896
  5. Step 5: Solve for x
    x = 85,180,234,103,640,896/190,873,167
  6. Step 6: Final answer
    x = 446,266,153.82

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.