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Finding the Third Proportional to 19,412 and 29,040

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Solution

The third proportional to 19,412 and 29,040 is: 43,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412 : 29,040 = 29,040 : x
  2. Step 2: Convert to fraction form
    19,412/29,040 = 29,040/x
  3. Step 3: Cross multiply
    19,412x = 29,040 × 29,040
  4. Step 4: Simplify right side
    19,412x = 843,321,600
  5. Step 5: Solve for x
    x = 843,321,600/19,412
  6. Step 6: Final answer
    x = 43,443.31

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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.