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Finding the Third Proportional to 80,712 and 164,702

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Solution

The third proportional to 80,712 and 164,702 is: 336,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,712 : 164,702 = 164,702 : x
  2. Step 2: Convert to fraction form
    80,712/164,702 = 164,702/x
  3. Step 3: Cross multiply
    80,712x = 164,702 × 164,702
  4. Step 4: Simplify right side
    80,712x = 27,126,748,804
  5. Step 5: Solve for x
    x = 27,126,748,804/80,712
  6. Step 6: Final answer
    x = 336,093.13

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.