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Finding the Third Proportional to 86,088 and 186,474

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Solution

The third proportional to 86,088 and 186,474 is: 403,918.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,088 : 186,474 = 186,474 : x
  2. Step 2: Convert to fraction form
    86,088/186,474 = 186,474/x
  3. Step 3: Cross multiply
    86,088x = 186,474 × 186,474
  4. Step 4: Simplify right side
    86,088x = 34,772,552,676
  5. Step 5: Solve for x
    x = 34,772,552,676/86,088
  6. Step 6: Final answer
    x = 403,918.70

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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.