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Finding the Third Proportional to 201,914,221 and 439,205,902

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Solution

The third proportional to 201,914,221 and 439,205,902 is: 955,365,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,914,221 : 439,205,902 = 439,205,902 : x
  2. Step 2: Convert to fraction form
    201,914,221/439,205,902 = 439,205,902/x
  3. Step 3: Cross multiply
    201,914,221x = 439,205,902 × 439,205,902
  4. Step 4: Simplify right side
    201,914,221x = 192,901,824,351,633,600
  5. Step 5: Solve for x
    x = 192,901,824,351,633,600/201,914,221
  6. Step 6: Final answer
    x = 955,365,220.92

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.