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Finding the Third Proportional to 5,370 and 7,668

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Solution

The third proportional to 5,370 and 7,668 is: 10,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,370 : 7,668 = 7,668 : x
  2. Step 2: Convert to fraction form
    5,370/7,668 = 7,668/x
  3. Step 3: Cross multiply
    5,370x = 7,668 × 7,668
  4. Step 4: Simplify right side
    5,370x = 58,798,224
  5. Step 5: Solve for x
    x = 58,798,224/5,370
  6. Step 6: Final answer
    x = 10,949.39

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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.