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Finding the Third Proportional to 14,412 and 17,724

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Solution

The third proportional to 14,412 and 17,724 is: 21,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412 : 17,724 = 17,724 : x
  2. Step 2: Convert to fraction form
    14,412/17,724 = 17,724/x
  3. Step 3: Cross multiply
    14,412x = 17,724 × 17,724
  4. Step 4: Simplify right side
    14,412x = 314,140,176
  5. Step 5: Solve for x
    x = 314,140,176/14,412
  6. Step 6: Final answer
    x = 21,797.13

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.