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Finding the Third Proportional to 18,603 and 43,906

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Solution

The third proportional to 18,603 and 43,906 is: 103,625.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603 : 43,906 = 43,906 : x
  2. Step 2: Convert to fraction form
    18,603/43,906 = 43,906/x
  3. Step 3: Cross multiply
    18,603x = 43,906 × 43,906
  4. Step 4: Simplify right side
    18,603x = 1,927,736,836
  5. Step 5: Solve for x
    x = 1,927,736,836/18,603
  6. Step 6: Final answer
    x = 103,625.05

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.