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Finding the Third Proportional to 14,448 and 20,656

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Solution

The third proportional to 14,448 and 20,656 is: 29,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,448 : 20,656 = 20,656 : x
  2. Step 2: Convert to fraction form
    14,448/20,656 = 20,656/x
  3. Step 3: Cross multiply
    14,448x = 20,656 × 20,656
  4. Step 4: Simplify right side
    14,448x = 426,670,336
  5. Step 5: Solve for x
    x = 426,670,336/14,448
  6. Step 6: Final answer
    x = 29,531.45

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.