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Finding the Third Proportional to 14,240 and 33,270

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Solution

The third proportional to 14,240 and 33,270 is: 77,731.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240 : 33,270 = 33,270 : x
  2. Step 2: Convert to fraction form
    14,240/33,270 = 33,270/x
  3. Step 3: Cross multiply
    14,240x = 33,270 × 33,270
  4. Step 4: Simplify right side
    14,240x = 1,106,892,900
  5. Step 5: Solve for x
    x = 1,106,892,900/14,240
  6. Step 6: Final answer
    x = 77,731.24

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Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.