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Finding the Third Proportional to 77,941,530 and 108,966,847.50

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Solution

The third proportional to 77,941,530 and 108,966,847.50 is: 152,342,067.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941,530 : 108,966,847.50 = 108,966,847.50 : x
  2. Step 2: Convert to fraction form
    77,941,530/108,966,847.50 = 108,966,847.50/x
  3. Step 3: Cross multiply
    77,941,530x = 108,966,847.50 × 108,966,847.50
  4. Step 4: Simplify right side
    77,941,530x = 11,873,773,854,088,256
  5. Step 5: Solve for x
    x = 11,873,773,854,088,256/77,941,530
  6. Step 6: Final answer
    x = 152,342,067.88

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.