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Finding the Third Proportional to 878,150,527.50 and 1,917,220,158

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Solution

The third proportional to 878,150,527.50 and 1,917,220,158 is: 4,185,766,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,150,527.50 : 1,917,220,158 = 1,917,220,158 : x
  2. Step 2: Convert to fraction form
    878,150,527.50/1,917,220,158 = 1,917,220,158/x
  3. Step 3: Cross multiply
    878,150,527.50x = 1,917,220,158 × 1,917,220,158
  4. Step 4: Simplify right side
    878,150,527.50x = 3,675,733,134,241,545,216
  5. Step 5: Solve for x
    x = 3,675,733,134,241,545,216/878,150,527.50
  6. Step 6: Final answer
    x = 4,185,766,584.58

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.