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Finding the Third Proportional to 68,982,427 and 150,212,053

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Solution

The third proportional to 68,982,427 and 150,212,053 is: 327,092,882.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,982,427 : 150,212,053 = 150,212,053 : x
  2. Step 2: Convert to fraction form
    68,982,427/150,212,053 = 150,212,053/x
  3. Step 3: Cross multiply
    68,982,427x = 150,212,053 × 150,212,053
  4. Step 4: Simplify right side
    68,982,427x = 22,563,660,866,474,808
  5. Step 5: Solve for x
    x = 22,563,660,866,474,808/68,982,427
  6. Step 6: Final answer
    x = 327,092,882.17

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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.