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Finding the Third Proportional to 84,702 and 180,666

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Solution

The third proportional to 84,702 and 180,666 is: 385,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,702 : 180,666 = 180,666 : x
  2. Step 2: Convert to fraction form
    84,702/180,666 = 180,666/x
  3. Step 3: Cross multiply
    84,702x = 180,666 × 180,666
  4. Step 4: Simplify right side
    84,702x = 32,640,203,556
  5. Step 5: Solve for x
    x = 32,640,203,556/84,702
  6. Step 6: Final answer
    x = 385,353.40

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.