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Finding the Third Proportional to 7,828 and 16,464

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Solution

The third proportional to 7,828 and 16,464 is: 34,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828 : 16,464 = 16,464 : x
  2. Step 2: Convert to fraction form
    7,828/16,464 = 16,464/x
  3. Step 3: Cross multiply
    7,828x = 16,464 × 16,464
  4. Step 4: Simplify right side
    7,828x = 271,063,296
  5. Step 5: Solve for x
    x = 271,063,296/7,828
  6. Step 6: Final answer
    x = 34,627.40

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.