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Finding the Third Proportional to 14,160 and 18,912

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Solution

The third proportional to 14,160 and 18,912 is: 25,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,160 : 18,912 = 18,912 : x
  2. Step 2: Convert to fraction form
    14,160/18,912 = 18,912/x
  3. Step 3: Cross multiply
    14,160x = 18,912 × 18,912
  4. Step 4: Simplify right side
    14,160x = 357,663,744
  5. Step 5: Solve for x
    x = 357,663,744/14,160
  6. Step 6: Final answer
    x = 25,258.74

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.