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Finding the Third Proportional to 13,110.75 and 19,260

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Solution

The third proportional to 13,110.75 and 19,260 is: 28,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.75 : 19,260 = 19,260 : x
  2. Step 2: Convert to fraction form
    13,110.75/19,260 = 19,260/x
  3. Step 3: Cross multiply
    13,110.75x = 19,260 × 19,260
  4. Step 4: Simplify right side
    13,110.75x = 370,947,600
  5. Step 5: Solve for x
    x = 370,947,600/13,110.75
  6. Step 6: Final answer
    x = 28,293.39

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.