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Finding the Third Proportional to 323,334 and 489,477

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Solution

The third proportional to 323,334 and 489,477 is: 740,991.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,334 : 489,477 = 489,477 : x
  2. Step 2: Convert to fraction form
    323,334/489,477 = 489,477/x
  3. Step 3: Cross multiply
    323,334x = 489,477 × 489,477
  4. Step 4: Simplify right side
    323,334x = 239,587,733,529
  5. Step 5: Solve for x
    x = 239,587,733,529/323,334
  6. Step 6: Final answer
    x = 740,991.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.