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Finding the Third Proportional to 184,881 and 399,282

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Solution

The third proportional to 184,881 and 399,282 is: 862,317.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,881 : 399,282 = 399,282 : x
  2. Step 2: Convert to fraction form
    184,881/399,282 = 399,282/x
  3. Step 3: Cross multiply
    184,881x = 399,282 × 399,282
  4. Step 4: Simplify right side
    184,881x = 159,426,115,524
  5. Step 5: Solve for x
    x = 159,426,115,524/184,881
  6. Step 6: Final answer
    x = 862,317.47

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.