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Finding the Third Proportional to 40,910,931 and 90,902,085

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Solution

The third proportional to 40,910,931 and 90,902,085 is: 201,979,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910,931 : 90,902,085 = 90,902,085 : x
  2. Step 2: Convert to fraction form
    40,910,931/90,902,085 = 90,902,085/x
  3. Step 3: Cross multiply
    40,910,931x = 90,902,085 × 90,902,085
  4. Step 4: Simplify right side
    40,910,931x = 8,263,189,057,347,225
  5. Step 5: Solve for x
    x = 8,263,189,057,347,225/40,910,931
  6. Step 6: Final answer
    x = 201,979,980.79

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.