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Finding the Third Proportional to 18,393,956 and 27,845,406

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Solution

The third proportional to 18,393,956 and 27,845,406 is: 42,153,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,393,956 : 27,845,406 = 27,845,406 : x
  2. Step 2: Convert to fraction form
    18,393,956/27,845,406 = 27,845,406/x
  3. Step 3: Cross multiply
    18,393,956x = 27,845,406 × 27,845,406
  4. Step 4: Simplify right side
    18,393,956x = 775,366,635,304,836
  5. Step 5: Solve for x
    x = 775,366,635,304,836/18,393,956
  6. Step 6: Final answer
    x = 42,153,337.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.