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Finding the Third Proportional to 81,236,066 and 175,847,620

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Solution

The third proportional to 81,236,066 and 175,847,620 is: 380,648,485.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,236,066 : 175,847,620 = 175,847,620 : x
  2. Step 2: Convert to fraction form
    81,236,066/175,847,620 = 175,847,620/x
  3. Step 3: Cross multiply
    81,236,066x = 175,847,620 × 175,847,620
  4. Step 4: Simplify right side
    81,236,066x = 30,922,385,459,664,400
  5. Step 5: Solve for x
    x = 30,922,385,459,664,400/81,236,066
  6. Step 6: Final answer
    x = 380,648,485.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.