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Finding the Third Proportional to 203,328 and 314,550

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Solution

The third proportional to 203,328 and 314,550 is: 486,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,328 : 314,550 = 314,550 : x
  2. Step 2: Convert to fraction form
    203,328/314,550 = 314,550/x
  3. Step 3: Cross multiply
    203,328x = 314,550 × 314,550
  4. Step 4: Simplify right side
    203,328x = 98,941,702,500
  5. Step 5: Solve for x
    x = 98,941,702,500/203,328
  6. Step 6: Final answer
    x = 486,611.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.