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Finding the Third Proportional to 14,772 and 19,899

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Solution

The third proportional to 14,772 and 19,899 is: 26,805.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,772 : 19,899 = 19,899 : x
  2. Step 2: Convert to fraction form
    14,772/19,899 = 19,899/x
  3. Step 3: Cross multiply
    14,772x = 19,899 × 19,899
  4. Step 4: Simplify right side
    14,772x = 395,970,201
  5. Step 5: Solve for x
    x = 395,970,201/14,772
  6. Step 6: Final answer
    x = 26,805.46

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.