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Finding the Third Proportional to 68,107,708 and 151,331,960

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Solution

The third proportional to 68,107,708 and 151,331,960 is: 336,252,133.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107,708 : 151,331,960 = 151,331,960 : x
  2. Step 2: Convert to fraction form
    68,107,708/151,331,960 = 151,331,960/x
  3. Step 3: Cross multiply
    68,107,708x = 151,331,960 × 151,331,960
  4. Step 4: Simplify right side
    68,107,708x = 22,901,362,117,441,600
  5. Step 5: Solve for x
    x = 22,901,362,117,441,600/68,107,708
  6. Step 6: Final answer
    x = 336,252,133.42

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.