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Finding the Third Proportional to 18,365,662,989 and 27,543,711,519

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Solution

The third proportional to 18,365,662,989 and 27,543,711,519 is: 41,308,394,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,662,989 : 27,543,711,519 = 27,543,711,519 : x
  2. Step 2: Convert to fraction form
    18,365,662,989/27,543,711,519 = 27,543,711,519/x
  3. Step 3: Cross multiply
    18,365,662,989x = 27,543,711,519 × 27,543,711,519
  4. Step 4: Simplify right side
    18,365,662,989x = 758,656,044,241,893,326,848
  5. Step 5: Solve for x
    x = 758,656,044,241,893,326,848/18,365,662,989
  6. Step 6: Final answer
    x = 41,308,394,077.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.