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Finding the Third Proportional to 184,920 and 285,216

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Solution

The third proportional to 184,920 and 285,216 is: 439,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,920 : 285,216 = 285,216 : x
  2. Step 2: Convert to fraction form
    184,920/285,216 = 285,216/x
  3. Step 3: Cross multiply
    184,920x = 285,216 × 285,216
  4. Step 4: Simplify right side
    184,920x = 81,348,166,656
  5. Step 5: Solve for x
    x = 81,348,166,656/184,920
  6. Step 6: Final answer
    x = 439,910.05

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.