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Finding the Third Proportional to 14,232 and 19,890

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Solution

The third proportional to 14,232 and 19,890 is: 27,797.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232 : 19,890 = 19,890 : x
  2. Step 2: Convert to fraction form
    14,232/19,890 = 19,890/x
  3. Step 3: Cross multiply
    14,232x = 19,890 × 19,890
  4. Step 4: Simplify right side
    14,232x = 395,612,100
  5. Step 5: Solve for x
    x = 395,612,100/14,232
  6. Step 6: Final answer
    x = 27,797.37

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.