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Finding the Third Proportional to 91,914,248 and 199,146,968

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Solution

The third proportional to 91,914,248 and 199,146,968 is: 431,483,863.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,914,248 : 199,146,968 = 199,146,968 : x
  2. Step 2: Convert to fraction form
    91,914,248/199,146,968 = 199,146,968/x
  3. Step 3: Cross multiply
    91,914,248x = 199,146,968 × 199,146,968
  4. Step 4: Simplify right side
    91,914,248x = 39,659,514,863,593,024
  5. Step 5: Solve for x
    x = 39,659,514,863,593,024/91,914,248
  6. Step 6: Final answer
    x = 431,483,863.78

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.