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Finding the Third Proportional to 19,003 and 28,618.50

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Solution

The third proportional to 19,003 and 28,618.50 is: 43,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,003 : 28,618.50 = 28,618.50 : x
  2. Step 2: Convert to fraction form
    19,003/28,618.50 = 28,618.50/x
  3. Step 3: Cross multiply
    19,003x = 28,618.50 × 28,618.50
  4. Step 4: Simplify right side
    19,003x = 819,018,542.25
  5. Step 5: Solve for x
    x = 819,018,542.25/19,003
  6. Step 6: Final answer
    x = 43,099.43

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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.