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Finding the Third Proportional to 9,969.75 and 14,418

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Solution

The third proportional to 9,969.75 and 14,418 is: 20,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,969.75 : 14,418 = 14,418 : x
  2. Step 2: Convert to fraction form
    9,969.75/14,418 = 14,418/x
  3. Step 3: Cross multiply
    9,969.75x = 14,418 × 14,418
  4. Step 4: Simplify right side
    9,969.75x = 207,878,724
  5. Step 5: Solve for x
    x = 207,878,724/9,969.75
  6. Step 6: Final answer
    x = 20,850.95

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.