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Finding the Third Proportional to 76,437,528 and 166,311,738

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Solution

The third proportional to 76,437,528 and 166,311,738 is: 361,858,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,437,528 : 166,311,738 = 166,311,738 : x
  2. Step 2: Convert to fraction form
    76,437,528/166,311,738 = 166,311,738/x
  3. Step 3: Cross multiply
    76,437,528x = 166,311,738 × 166,311,738
  4. Step 4: Simplify right side
    76,437,528x = 27,659,594,196,580,644
  5. Step 5: Solve for x
    x = 27,659,594,196,580,644/76,437,528
  6. Step 6: Final answer
    x = 361,858,826.68

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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.