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Finding the Third Proportional to 87,365 and 187,195

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Solution

The third proportional to 87,365 and 187,195 is: 401,098.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,365 : 187,195 = 187,195 : x
  2. Step 2: Convert to fraction form
    87,365/187,195 = 187,195/x
  3. Step 3: Cross multiply
    87,365x = 187,195 × 187,195
  4. Step 4: Simplify right side
    87,365x = 35,041,968,025
  5. Step 5: Solve for x
    x = 35,041,968,025/87,365
  6. Step 6: Final answer
    x = 401,098.47

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.