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Finding the Third Proportional to 13,820 and 30,232

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Solution

The third proportional to 13,820 and 30,232 is: 66,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,820 : 30,232 = 30,232 : x
  2. Step 2: Convert to fraction form
    13,820/30,232 = 30,232/x
  3. Step 3: Cross multiply
    13,820x = 30,232 × 30,232
  4. Step 4: Simplify right side
    13,820x = 913,973,824
  5. Step 5: Solve for x
    x = 913,973,824/13,820
  6. Step 6: Final answer
    x = 66,134.14

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.