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Finding the Third Proportional to 90,569,683 and 198,932,150

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Solution

The third proportional to 90,569,683 and 198,932,150 is: 436,945,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,569,683 : 198,932,150 = 198,932,150 : x
  2. Step 2: Convert to fraction form
    90,569,683/198,932,150 = 198,932,150/x
  3. Step 3: Cross multiply
    90,569,683x = 198,932,150 × 198,932,150
  4. Step 4: Simplify right side
    90,569,683x = 39,574,000,303,622,496
  5. Step 5: Solve for x
    x = 39,574,000,303,622,496/90,569,683
  6. Step 6: Final answer
    x = 436,945,333.06

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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.