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Finding the Third Proportional to 18,830.25 and 24,990.28

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Solution

The third proportional to 18,830.25 and 24,990.28 is: 33,165.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.25 : 24,990.28 = 24,990.28 : x
  2. Step 2: Convert to fraction form
    18,830.25/24,990.28 = 24,990.28/x
  3. Step 3: Cross multiply
    18,830.25x = 24,990.28 × 24,990.28
  4. Step 4: Simplify right side
    18,830.25x = 624,514,156.95
  5. Step 5: Solve for x
    x = 624,514,156.95/18,830.25
  6. Step 6: Final answer
    x = 33,165.47

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.