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Finding the Third Proportional to 77,840 and 166,714

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Solution

The third proportional to 77,840 and 166,714 is: 357,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,840 : 166,714 = 166,714 : x
  2. Step 2: Convert to fraction form
    77,840/166,714 = 166,714/x
  3. Step 3: Cross multiply
    77,840x = 166,714 × 166,714
  4. Step 4: Simplify right side
    77,840x = 27,793,557,796
  5. Step 5: Solve for x
    x = 27,793,557,796/77,840
  6. Step 6: Final answer
    x = 357,060.10

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.