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Finding the Third Proportional to 161,203 and 254,171

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Solution

The third proportional to 161,203 and 254,171 is: 400,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,203 : 254,171 = 254,171 : x
  2. Step 2: Convert to fraction form
    161,203/254,171 = 254,171/x
  3. Step 3: Cross multiply
    161,203x = 254,171 × 254,171
  4. Step 4: Simplify right side
    161,203x = 64,602,897,241
  5. Step 5: Solve for x
    x = 64,602,897,241/161,203
  6. Step 6: Final answer
    x = 400,754.93

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.