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Finding the Third Proportional to 177,275 and 266,042

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Solution

The third proportional to 177,275 and 266,042 is: 399,257.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,275 : 266,042 = 266,042 : x
  2. Step 2: Convert to fraction form
    177,275/266,042 = 266,042/x
  3. Step 3: Cross multiply
    177,275x = 266,042 × 266,042
  4. Step 4: Simplify right side
    177,275x = 70,778,345,764
  5. Step 5: Solve for x
    x = 70,778,345,764/177,275
  6. Step 6: Final answer
    x = 399,257.34

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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.