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Finding the Third Proportional to 19,509 and 29,440.50

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Solution

The third proportional to 19,509 and 29,440.50 is: 44,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509 : 29,440.50 = 29,440.50 : x
  2. Step 2: Convert to fraction form
    19,509/29,440.50 = 29,440.50/x
  3. Step 3: Cross multiply
    19,509x = 29,440.50 × 29,440.50
  4. Step 4: Simplify right side
    19,509x = 866,743,040.25
  5. Step 5: Solve for x
    x = 866,743,040.25/19,509
  6. Step 6: Final answer
    x = 44,427.86

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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.