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Finding the Third Proportional to 14,160 and 17,168

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Solution

The third proportional to 14,160 and 17,168 is: 20,814.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160 : 17,168 = 17,168 : x
  2. Step 2: Convert to fraction form
    14,160/17,168 = 17,168/x
  3. Step 3: Cross multiply
    14,160x = 17,168 × 17,168
  4. Step 4: Simplify right side
    14,160x = 294,740,224
  5. Step 5: Solve for x
    x = 294,740,224/14,160
  6. Step 6: Final answer
    x = 20,814.99

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.