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Finding the Third Proportional to 77,924 and 166,486

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Solution

The third proportional to 77,924 and 166,486 is: 355,700.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,924 : 166,486 = 166,486 : x
  2. Step 2: Convert to fraction form
    77,924/166,486 = 166,486/x
  3. Step 3: Cross multiply
    77,924x = 166,486 × 166,486
  4. Step 4: Simplify right side
    77,924x = 27,717,588,196
  5. Step 5: Solve for x
    x = 27,717,588,196/77,924
  6. Step 6: Final answer
    x = 355,700.27

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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.