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Finding the Third Proportional to 91,621,650 and 197,589,696

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Solution

The third proportional to 91,621,650 and 197,589,696 is: 426,118,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,621,650 : 197,589,696 = 197,589,696 : x
  2. Step 2: Convert to fraction form
    91,621,650/197,589,696 = 197,589,696/x
  3. Step 3: Cross multiply
    91,621,650x = 197,589,696 × 197,589,696
  4. Step 4: Simplify right side
    91,621,650x = 39,041,687,965,372,416
  5. Step 5: Solve for x
    x = 39,041,687,965,372,416/91,621,650
  6. Step 6: Final answer
    x = 426,118,586.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.