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Finding the Third Proportional to 91,159,068 and 200,035,903

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Solution

The third proportional to 91,159,068 and 200,035,903 is: 438,950,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,159,068 : 200,035,903 = 200,035,903 : x
  2. Step 2: Convert to fraction form
    91,159,068/200,035,903 = 200,035,903/x
  3. Step 3: Cross multiply
    91,159,068x = 200,035,903 × 200,035,903
  4. Step 4: Simplify right side
    91,159,068x = 40,014,362,489,025,408
  5. Step 5: Solve for x
    x = 40,014,362,489,025,408/91,159,068
  6. Step 6: Final answer
    x = 438,950,982.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.