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Finding the Third Proportional to 77,882,454 and 166,189,104

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Solution

The third proportional to 77,882,454 and 166,189,104 is: 354,621,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,882,454 : 166,189,104 = 166,189,104 : x
  2. Step 2: Convert to fraction form
    77,882,454/166,189,104 = 166,189,104/x
  3. Step 3: Cross multiply
    77,882,454x = 166,189,104 × 166,189,104
  4. Step 4: Simplify right side
    77,882,454x = 27,618,818,288,322,816
  5. Step 5: Solve for x
    x = 27,618,818,288,322,816/77,882,454
  6. Step 6: Final answer
    x = 354,621,829.05

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.