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Finding the Third Proportional to 176,390 and 266,226

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Solution

The third proportional to 176,390 and 266,226 is: 401,815.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,390 : 266,226 = 266,226 : x
  2. Step 2: Convert to fraction form
    176,390/266,226 = 266,226/x
  3. Step 3: Cross multiply
    176,390x = 266,226 × 266,226
  4. Step 4: Simplify right side
    176,390x = 70,876,283,076
  5. Step 5: Solve for x
    x = 70,876,283,076/176,390
  6. Step 6: Final answer
    x = 401,815.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.