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Finding the Third Proportional to 161,261 and 350,128

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Solution

The third proportional to 161,261 and 350,128 is: 760,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,261 : 350,128 = 350,128 : x
  2. Step 2: Convert to fraction form
    161,261/350,128 = 350,128/x
  3. Step 3: Cross multiply
    161,261x = 350,128 × 350,128
  4. Step 4: Simplify right side
    161,261x = 122,589,616,384
  5. Step 5: Solve for x
    x = 122,589,616,384/161,261
  6. Step 6: Final answer
    x = 760,193.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.