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Finding the Third Proportional to 14,384 and 20,240

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Solution

The third proportional to 14,384 and 20,240 is: 28,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,384 : 20,240 = 20,240 : x
  2. Step 2: Convert to fraction form
    14,384/20,240 = 20,240/x
  3. Step 3: Cross multiply
    14,384x = 20,240 × 20,240
  4. Step 4: Simplify right side
    14,384x = 409,657,600
  5. Step 5: Solve for x
    x = 409,657,600/14,384
  6. Step 6: Final answer
    x = 28,480.09

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.