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Finding the Third Proportional to 18,056,034 and 27,989,469

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Solution

The third proportional to 18,056,034 and 27,989,469 is: 43,387,732.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056,034 : 27,989,469 = 27,989,469 : x
  2. Step 2: Convert to fraction form
    18,056,034/27,989,469 = 27,989,469/x
  3. Step 3: Cross multiply
    18,056,034x = 27,989,469 × 27,989,469
  4. Step 4: Simplify right side
    18,056,034x = 783,410,374,901,961
  5. Step 5: Solve for x
    x = 783,410,374,901,961/18,056,034
  6. Step 6: Final answer
    x = 43,387,732.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.