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Finding the Third Proportional to 20,484 and 23,724

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Solution

The third proportional to 20,484 and 23,724 is: 27,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,484 : 23,724 = 23,724 : x
  2. Step 2: Convert to fraction form
    20,484/23,724 = 23,724/x
  3. Step 3: Cross multiply
    20,484x = 23,724 × 23,724
  4. Step 4: Simplify right side
    20,484x = 562,828,176
  5. Step 5: Solve for x
    x = 562,828,176/20,484
  6. Step 6: Final answer
    x = 27,476.48

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.