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Finding the Third Proportional to 12,996 and 19,260

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Solution

The third proportional to 12,996 and 19,260 is: 28,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,996 : 19,260 = 19,260 : x
  2. Step 2: Convert to fraction form
    12,996/19,260 = 19,260/x
  3. Step 3: Cross multiply
    12,996x = 19,260 × 19,260
  4. Step 4: Simplify right side
    12,996x = 370,947,600
  5. Step 5: Solve for x
    x = 370,947,600/12,996
  6. Step 6: Final answer
    x = 28,543.21

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.