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Finding the Third Proportional to 18,093,420 and 27,980,373

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Solution

The third proportional to 18,093,420 and 27,980,373 is: 43,269,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093,420 : 27,980,373 = 27,980,373 : x
  2. Step 2: Convert to fraction form
    18,093,420/27,980,373 = 27,980,373/x
  3. Step 3: Cross multiply
    18,093,420x = 27,980,373 × 27,980,373
  4. Step 4: Simplify right side
    18,093,420x = 782,901,273,219,129
  5. Step 5: Solve for x
    x = 782,901,273,219,129/18,093,420
  6. Step 6: Final answer
    x = 43,269,944.17

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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.