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Finding the Third Proportional to 14,108 and 20,724

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Solution

The third proportional to 14,108 and 20,724 is: 30,442.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108 : 20,724 = 20,724 : x
  2. Step 2: Convert to fraction form
    14,108/20,724 = 20,724/x
  3. Step 3: Cross multiply
    14,108x = 20,724 × 20,724
  4. Step 4: Simplify right side
    14,108x = 429,484,176
  5. Step 5: Solve for x
    x = 429,484,176/14,108
  6. Step 6: Final answer
    x = 30,442.60

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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.