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Finding the Third Proportional to 55,984,450 and 86,891,218

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Solution

The third proportional to 55,984,450 and 86,891,218 is: 134,860,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,984,450 : 86,891,218 = 86,891,218 : x
  2. Step 2: Convert to fraction form
    55,984,450/86,891,218 = 86,891,218/x
  3. Step 3: Cross multiply
    55,984,450x = 86,891,218 × 86,891,218
  4. Step 4: Simplify right side
    55,984,450x = 7,550,083,765,523,524
  5. Step 5: Solve for x
    x = 7,550,083,765,523,524/55,984,450
  6. Step 6: Final answer
    x = 134,860,372.22

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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.