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Finding the Third Proportional to 55,647,869 and 74,188,736

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Solution

The third proportional to 55,647,869 and 74,188,736 is: 98,907,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,647,869 : 74,188,736 = 74,188,736 : x
  2. Step 2: Convert to fraction form
    55,647,869/74,188,736 = 74,188,736/x
  3. Step 3: Cross multiply
    55,647,869x = 74,188,736 × 74,188,736
  4. Step 4: Simplify right side
    55,647,869x = 5,503,968,549,277,696
  5. Step 5: Solve for x
    x = 5,503,968,549,277,696/55,647,869
  6. Step 6: Final answer
    x = 98,907,085.72

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.