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Finding the Third Proportional to 86,312 and 184,621

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Solution

The third proportional to 86,312 and 184,621 is: 394,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,312 : 184,621 = 184,621 : x
  2. Step 2: Convert to fraction form
    86,312/184,621 = 184,621/x
  3. Step 3: Cross multiply
    86,312x = 184,621 × 184,621
  4. Step 4: Simplify right side
    86,312x = 34,084,913,641
  5. Step 5: Solve for x
    x = 34,084,913,641/86,312
  6. Step 6: Final answer
    x = 394,903.53

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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.