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Finding the Third Proportional to 68,569,236 and 146,437,878

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Solution

The third proportional to 68,569,236 and 146,437,878 is: 312,735,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569,236 : 146,437,878 = 146,437,878 : x
  2. Step 2: Convert to fraction form
    68,569,236/146,437,878 = 146,437,878/x
  3. Step 3: Cross multiply
    68,569,236x = 146,437,878 × 146,437,878
  4. Step 4: Simplify right side
    68,569,236x = 21,444,052,113,142,884
  5. Step 5: Solve for x
    x = 21,444,052,113,142,884/68,569,236
  6. Step 6: Final answer
    x = 312,735,759.71

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.