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Finding the Third Proportional to 85,884 and 183,180

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Solution

The third proportional to 85,884 and 183,180 is: 390,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,884 : 183,180 = 183,180 : x
  2. Step 2: Convert to fraction form
    85,884/183,180 = 183,180/x
  3. Step 3: Cross multiply
    85,884x = 183,180 × 183,180
  4. Step 4: Simplify right side
    85,884x = 33,554,912,400
  5. Step 5: Solve for x
    x = 33,554,912,400/85,884
  6. Step 6: Final answer
    x = 390,700.39

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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.