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Finding the Third Proportional to 19,142 and 25,673

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Solution

The third proportional to 19,142 and 25,673 is: 34,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,142 : 25,673 = 25,673 : x
  2. Step 2: Convert to fraction form
    19,142/25,673 = 25,673/x
  3. Step 3: Cross multiply
    19,142x = 25,673 × 25,673
  4. Step 4: Simplify right side
    19,142x = 659,102,929
  5. Step 5: Solve for x
    x = 659,102,929/19,142
  6. Step 6: Final answer
    x = 34,432.29

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.