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Finding the Third Proportional to 18,449,326 and 28,640,916

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Solution

The third proportional to 18,449,326 and 28,640,916 is: 44,462,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449,326 : 28,640,916 = 28,640,916 : x
  2. Step 2: Convert to fraction form
    18,449,326/28,640,916 = 28,640,916/x
  3. Step 3: Cross multiply
    18,449,326x = 28,640,916 × 28,640,916
  4. Step 4: Simplify right side
    18,449,326x = 820,302,069,319,056
  5. Step 5: Solve for x
    x = 820,302,069,319,056/18,449,326
  6. Step 6: Final answer
    x = 44,462,441.03

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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.