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Finding the Third Proportional to 18,662,872 and 26,687,938

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Solution

The third proportional to 18,662,872 and 26,687,938 is: 38,163,795.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,872 : 26,687,938 = 26,687,938 : x
  2. Step 2: Convert to fraction form
    18,662,872/26,687,938 = 26,687,938/x
  3. Step 3: Cross multiply
    18,662,872x = 26,687,938 × 26,687,938
  4. Step 4: Simplify right side
    18,662,872x = 712,246,034,691,844
  5. Step 5: Solve for x
    x = 712,246,034,691,844/18,662,872
  6. Step 6: Final answer
    x = 38,163,795.73

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.