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Finding the Third Proportional to 18,487,686 and 28,850,736

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Solution

The third proportional to 18,487,686 and 28,850,736 is: 45,022,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,487,686 : 28,850,736 = 28,850,736 : x
  2. Step 2: Convert to fraction form
    18,487,686/28,850,736 = 28,850,736/x
  3. Step 3: Cross multiply
    18,487,686x = 28,850,736 × 28,850,736
  4. Step 4: Simplify right side
    18,487,686x = 832,364,967,741,696
  5. Step 5: Solve for x
    x = 832,364,967,741,696/18,487,686
  6. Step 6: Final answer
    x = 45,022,669.02

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.