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Finding the Third Proportional to 86,466.38 and 186,273.75

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Solution

The third proportional to 86,466.38 and 186,273.75 is: 401,287.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,466.38 : 186,273.75 = 186,273.75 : x
  2. Step 2: Convert to fraction form
    86,466.38/186,273.75 = 186,273.75/x
  3. Step 3: Cross multiply
    86,466.38x = 186,273.75 × 186,273.75
  4. Step 4: Simplify right side
    86,466.38x = 34,697,909,939.06
  5. Step 5: Solve for x
    x = 34,697,909,939.06/86,466.38
  6. Step 6: Final answer
    x = 401,287.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.