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Finding the Third Proportional to 62,474,088 and 127,992,456

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Solution

The third proportional to 62,474,088 and 127,992,456 is: 262,221,815.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,474,088 : 127,992,456 = 127,992,456 : x
  2. Step 2: Convert to fraction form
    62,474,088/127,992,456 = 127,992,456/x
  3. Step 3: Cross multiply
    62,474,088x = 127,992,456 × 127,992,456
  4. Step 4: Simplify right side
    62,474,088x = 16,382,068,792,911,936
  5. Step 5: Solve for x
    x = 16,382,068,792,911,936/62,474,088
  6. Step 6: Final answer
    x = 262,221,815.75

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.