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Finding the Third Proportional to 9,489 and 14,232

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Solution

The third proportional to 9,489 and 14,232 is: 21,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489 : 14,232 = 14,232 : x
  2. Step 2: Convert to fraction form
    9,489/14,232 = 14,232/x
  3. Step 3: Cross multiply
    9,489x = 14,232 × 14,232
  4. Step 4: Simplify right side
    9,489x = 202,549,824
  5. Step 5: Solve for x
    x = 202,549,824/9,489
  6. Step 6: Final answer
    x = 21,345.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.