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Finding the Third Proportional to 91,459,632 and 196,181,229

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Solution

The third proportional to 91,459,632 and 196,181,229 is: 420,809,419.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,459,632 : 196,181,229 = 196,181,229 : x
  2. Step 2: Convert to fraction form
    91,459,632/196,181,229 = 196,181,229/x
  3. Step 3: Cross multiply
    91,459,632x = 196,181,229 × 196,181,229
  4. Step 4: Simplify right side
    91,459,632x = 38,487,074,611,950,440
  5. Step 5: Solve for x
    x = 38,487,074,611,950,440/91,459,632
  6. Step 6: Final answer
    x = 420,809,419.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.