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Finding the Third Proportional to 85,916 and 186,592

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Solution

The third proportional to 85,916 and 186,592 is: 405,239.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,916 : 186,592 = 186,592 : x
  2. Step 2: Convert to fraction form
    85,916/186,592 = 186,592/x
  3. Step 3: Cross multiply
    85,916x = 186,592 × 186,592
  4. Step 4: Simplify right side
    85,916x = 34,816,574,464
  5. Step 5: Solve for x
    x = 34,816,574,464/85,916
  6. Step 6: Final answer
    x = 405,239.70

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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.