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Finding the Third Proportional to 19,029.94 and 28,787.91

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Solution

The third proportional to 19,029.94 and 28,787.91 is: 43,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.94 : 28,787.91 = 28,787.91 : x
  2. Step 2: Convert to fraction form
    19,029.94/28,787.91 = 28,787.91/x
  3. Step 3: Cross multiply
    19,029.94x = 28,787.91 × 28,787.91
  4. Step 4: Simplify right side
    19,029.94x = 828,743,546.26
  5. Step 5: Solve for x
    x = 828,743,546.26/19,029.94
  6. Step 6: Final answer
    x = 43,549.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.