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Finding the Third Proportional to 90,569,684 and 198,932,152

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Solution

The third proportional to 90,569,684 and 198,932,152 is: 436,945,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,569,684 : 198,932,152 = 198,932,152 : x
  2. Step 2: Convert to fraction form
    90,569,684/198,932,152 = 198,932,152/x
  3. Step 3: Cross multiply
    90,569,684x = 198,932,152 × 198,932,152
  4. Step 4: Simplify right side
    90,569,684x = 39,574,001,099,351,104
  5. Step 5: Solve for x
    x = 39,574,001,099,351,104/90,569,684
  6. Step 6: Final answer
    x = 436,945,337.02

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.