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Finding the Third Proportional to 86,334 and 187,074

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Solution

The third proportional to 86,334 and 187,074 is: 405,363.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,334 : 187,074 = 187,074 : x
  2. Step 2: Convert to fraction form
    86,334/187,074 = 187,074/x
  3. Step 3: Cross multiply
    86,334x = 187,074 × 187,074
  4. Step 4: Simplify right side
    86,334x = 34,996,681,476
  5. Step 5: Solve for x
    x = 34,996,681,476/86,334
  6. Step 6: Final answer
    x = 405,363.84

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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.