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Finding the Third Proportional to 87,981,952 and 193,178,240

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Solution

The third proportional to 87,981,952 and 193,178,240 is: 424,153,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,981,952 : 193,178,240 = 193,178,240 : x
  2. Step 2: Convert to fraction form
    87,981,952/193,178,240 = 193,178,240/x
  3. Step 3: Cross multiply
    87,981,952x = 193,178,240 × 193,178,240
  4. Step 4: Simplify right side
    87,981,952x = 37,317,832,409,497,600
  5. Step 5: Solve for x
    x = 37,317,832,409,497,600/87,981,952
  6. Step 6: Final answer
    x = 424,153,267.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.