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Finding the Third Proportional to 1,212,927,317 and 1,863,204,736

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Solution

The third proportional to 1,212,927,317 and 1,863,204,736 is: 2,862,110,399.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,927,317 : 1,863,204,736 = 1,863,204,736 : x
  2. Step 2: Convert to fraction form
    1,212,927,317/1,863,204,736 = 1,863,204,736/x
  3. Step 3: Cross multiply
    1,212,927,317x = 1,863,204,736 × 1,863,204,736
  4. Step 4: Simplify right side
    1,212,927,317x = 3,471,531,888,252,829,696
  5. Step 5: Solve for x
    x = 3,471,531,888,252,829,696/1,212,927,317
  6. Step 6: Final answer
    x = 2,862,110,399.85

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.