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Finding the Third Proportional to 20,145,974 and 43,166,486

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Solution

The third proportional to 20,145,974 and 43,166,486 is: 92,492,202.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,145,974 : 43,166,486 = 43,166,486 : x
  2. Step 2: Convert to fraction form
    20,145,974/43,166,486 = 43,166,486/x
  3. Step 3: Cross multiply
    20,145,974x = 43,166,486 × 43,166,486
  4. Step 4: Simplify right side
    20,145,974x = 1,863,345,513,588,196
  5. Step 5: Solve for x
    x = 1,863,345,513,588,196/20,145,974
  6. Step 6: Final answer
    x = 92,492,202.84

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.