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Finding the Third Proportional to 171,201 and 266,127

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Solution

The third proportional to 171,201 and 266,127 is: 413,686.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,201 : 266,127 = 266,127 : x
  2. Step 2: Convert to fraction form
    171,201/266,127 = 266,127/x
  3. Step 3: Cross multiply
    171,201x = 266,127 × 266,127
  4. Step 4: Simplify right side
    171,201x = 70,823,580,129
  5. Step 5: Solve for x
    x = 70,823,580,129/171,201
  6. Step 6: Final answer
    x = 413,686.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.