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Finding the Third Proportional to 267,700 and 356,886

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Solution

The third proportional to 267,700 and 356,886 is: 475,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,700 : 356,886 = 356,886 : x
  2. Step 2: Convert to fraction form
    267,700/356,886 = 356,886/x
  3. Step 3: Cross multiply
    267,700x = 356,886 × 356,886
  4. Step 4: Simplify right side
    267,700x = 127,367,616,996
  5. Step 5: Solve for x
    x = 127,367,616,996/267,700
  6. Step 6: Final answer
    x = 475,784.90

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.