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Finding the Third Proportional to 68,224,480 and 111,392,661

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Solution

The third proportional to 68,224,480 and 111,392,661 is: 181,874,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,224,480 : 111,392,661 = 111,392,661 : x
  2. Step 2: Convert to fraction form
    68,224,480/111,392,661 = 111,392,661/x
  3. Step 3: Cross multiply
    68,224,480x = 111,392,661 × 111,392,661
  4. Step 4: Simplify right side
    68,224,480x = 12,408,324,924,660,920
  5. Step 5: Solve for x
    x = 12,408,324,924,660,920/68,224,480
  6. Step 6: Final answer
    x = 181,874,965.18

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.