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Finding the Third Proportional to 110,912,479 and 172,417,116

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Solution

The third proportional to 110,912,479 and 172,417,116 is: 268,028,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,912,479 : 172,417,116 = 172,417,116 : x
  2. Step 2: Convert to fraction form
    110,912,479/172,417,116 = 172,417,116/x
  3. Step 3: Cross multiply
    110,912,479x = 172,417,116 × 172,417,116
  4. Step 4: Simplify right side
    110,912,479x = 29,727,661,889,757,456
  5. Step 5: Solve for x
    x = 29,727,661,889,757,456/110,912,479
  6. Step 6: Final answer
    x = 268,028,107.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.