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Finding the Third Proportional to 85,220 and 161,692

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Solution

The third proportional to 85,220 and 161,692 is: 306,786.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,220 : 161,692 = 161,692 : x
  2. Step 2: Convert to fraction form
    85,220/161,692 = 161,692/x
  3. Step 3: Cross multiply
    85,220x = 161,692 × 161,692
  4. Step 4: Simplify right side
    85,220x = 26,144,302,864
  5. Step 5: Solve for x
    x = 26,144,302,864/85,220
  6. Step 6: Final answer
    x = 306,786.00

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.