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Finding the Third Proportional to 68,982,687 and 150,212,574

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Solution

The third proportional to 68,982,687 and 150,212,574 is: 327,093,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982,687 : 150,212,574 = 150,212,574 : x
  2. Step 2: Convert to fraction form
    68,982,687/150,212,574 = 150,212,574/x
  3. Step 3: Cross multiply
    68,982,687x = 150,212,574 × 150,212,574
  4. Step 4: Simplify right side
    68,982,687x = 22,563,817,387,705,476
  5. Step 5: Solve for x
    x = 22,563,817,387,705,476/68,982,687
  6. Step 6: Final answer
    x = 327,093,918.33

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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.