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Finding the Third Proportional to 7,566 and 13,980

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Solution

The third proportional to 7,566 and 13,980 is: 25,831.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,566 : 13,980 = 13,980 : x
  2. Step 2: Convert to fraction form
    7,566/13,980 = 13,980/x
  3. Step 3: Cross multiply
    7,566x = 13,980 × 13,980
  4. Step 4: Simplify right side
    7,566x = 195,440,400
  5. Step 5: Solve for x
    x = 195,440,400/7,566
  6. Step 6: Final answer
    x = 25,831.40

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Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.