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Finding the Third Proportional to 14,772 and 17,952

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Solution

The third proportional to 14,772 and 17,952 is: 21,816.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772 : 17,952 = 17,952 : x
  2. Step 2: Convert to fraction form
    14,772/17,952 = 17,952/x
  3. Step 3: Cross multiply
    14,772x = 17,952 × 17,952
  4. Step 4: Simplify right side
    14,772x = 322,274,304
  5. Step 5: Solve for x
    x = 322,274,304/14,772
  6. Step 6: Final answer
    x = 21,816.57

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.