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Finding the Third Proportional to 208,942.31 and 457,936.88

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Solution

The third proportional to 208,942.31 and 457,936.88 is: 1,003,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,942.31 : 457,936.88 = 457,936.88 : x
  2. Step 2: Convert to fraction form
    208,942.31/457,936.88 = 457,936.88/x
  3. Step 3: Cross multiply
    208,942.31x = 457,936.88 × 457,936.88
  4. Step 4: Simplify right side
    208,942.31x = 209,706,181,484.77
  5. Step 5: Solve for x
    x = 209,706,181,484.77/208,942.31
  6. Step 6: Final answer
    x = 1,003,655.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.