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Finding the Third Proportional to 19,268 and 28,819

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Solution

The third proportional to 19,268 and 28,819 is: 43,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268 : 28,819 = 28,819 : x
  2. Step 2: Convert to fraction form
    19,268/28,819 = 28,819/x
  3. Step 3: Cross multiply
    19,268x = 28,819 × 28,819
  4. Step 4: Simplify right side
    19,268x = 830,534,761
  5. Step 5: Solve for x
    x = 830,534,761/19,268
  6. Step 6: Final answer
    x = 43,104.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.