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Finding the Third Proportional to 8,232 and 12,418.50

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Solution

The third proportional to 8,232 and 12,418.50 is: 18,734.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,232 : 12,418.50 = 12,418.50 : x
  2. Step 2: Convert to fraction form
    8,232/12,418.50 = 12,418.50/x
  3. Step 3: Cross multiply
    8,232x = 12,418.50 × 12,418.50
  4. Step 4: Simplify right side
    8,232x = 154,219,142.25
  5. Step 5: Solve for x
    x = 154,219,142.25/8,232
  6. Step 6: Final answer
    x = 18,734.10

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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.