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Finding the Third Proportional to 83,119 and 180,170

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Solution

The third proportional to 83,119 and 180,170 is: 390,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,119 : 180,170 = 180,170 : x
  2. Step 2: Convert to fraction form
    83,119/180,170 = 180,170/x
  3. Step 3: Cross multiply
    83,119x = 180,170 × 180,170
  4. Step 4: Simplify right side
    83,119x = 32,461,228,900
  5. Step 5: Solve for x
    x = 32,461,228,900/83,119
  6. Step 6: Final answer
    x = 390,539.21

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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.