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Finding the Third Proportional to 18,901,356 and 41,223,729

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Solution

The third proportional to 18,901,356 and 41,223,729 is: 89,908,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,901,356 : 41,223,729 = 41,223,729 : x
  2. Step 2: Convert to fraction form
    18,901,356/41,223,729 = 41,223,729/x
  3. Step 3: Cross multiply
    18,901,356x = 41,223,729 × 41,223,729
  4. Step 4: Simplify right side
    18,901,356x = 1,699,395,832,665,441
  5. Step 5: Solve for x
    x = 1,699,395,832,665,441/18,901,356
  6. Step 6: Final answer
    x = 89,908,672.83

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.