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Finding the Third Proportional to 74,235 and 161,793

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Solution

The third proportional to 74,235 and 161,793 is: 352,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,235 : 161,793 = 161,793 : x
  2. Step 2: Convert to fraction form
    74,235/161,793 = 161,793/x
  3. Step 3: Cross multiply
    74,235x = 161,793 × 161,793
  4. Step 4: Simplify right side
    74,235x = 26,176,974,849
  5. Step 5: Solve for x
    x = 26,176,974,849/74,235
  6. Step 6: Final answer
    x = 352,623.09

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.