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Finding the Third Proportional to 177,259 and 266,018

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Solution

The third proportional to 177,259 and 266,018 is: 399,221.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,259 : 266,018 = 266,018 : x
  2. Step 2: Convert to fraction form
    177,259/266,018 = 266,018/x
  3. Step 3: Cross multiply
    177,259x = 266,018 × 266,018
  4. Step 4: Simplify right side
    177,259x = 70,765,576,324
  5. Step 5: Solve for x
    x = 70,765,576,324/177,259
  6. Step 6: Final answer
    x = 399,221.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.