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Finding the Third Proportional to 18,734.25 and 28,225.13

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Solution

The third proportional to 18,734.25 and 28,225.13 is: 42,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.25 : 28,225.13 = 28,225.13 : x
  2. Step 2: Convert to fraction form
    18,734.25/28,225.13 = 28,225.13/x
  3. Step 3: Cross multiply
    18,734.25x = 28,225.13 × 28,225.13
  4. Step 4: Simplify right side
    18,734.25x = 796,657,681.27
  5. Step 5: Solve for x
    x = 796,657,681.27/18,734.25
  6. Step 6: Final answer
    x = 42,524.13

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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.