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Finding the Third Proportional to 90,187,560 and 197,611,848

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Solution

The third proportional to 90,187,560 and 197,611,848 is: 432,991,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,187,560 : 197,611,848 = 197,611,848 : x
  2. Step 2: Convert to fraction form
    90,187,560/197,611,848 = 197,611,848/x
  3. Step 3: Cross multiply
    90,187,560x = 197,611,848 × 197,611,848
  4. Step 4: Simplify right side
    90,187,560x = 39,050,442,469,975,104
  5. Step 5: Solve for x
    x = 39,050,442,469,975,104/90,187,560
  6. Step 6: Final answer
    x = 432,991,451.04

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.