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Finding the Third Proportional to 12,382,563,954 and 18,933,976,092

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Solution

The third proportional to 12,382,563,954 and 18,933,976,092 is: 28,951,633,279.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,563,954 : 18,933,976,092 = 18,933,976,092 : x
  2. Step 2: Convert to fraction form
    12,382,563,954/18,933,976,092 = 18,933,976,092/x
  3. Step 3: Cross multiply
    12,382,563,954x = 18,933,976,092 × 18,933,976,092
  4. Step 4: Simplify right side
    12,382,563,954x = 358,495,450,652,427,616,256
  5. Step 5: Solve for x
    x = 358,495,450,652,427,616,256/12,382,563,954
  6. Step 6: Final answer
    x = 28,951,633,279.20

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.