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Finding the Third Proportional to 9,360 and 14,078

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Solution

The third proportional to 9,360 and 14,078 is: 21,174.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360 : 14,078 = 14,078 : x
  2. Step 2: Convert to fraction form
    9,360/14,078 = 14,078/x
  3. Step 3: Cross multiply
    9,360x = 14,078 × 14,078
  4. Step 4: Simplify right side
    9,360x = 198,190,084
  5. Step 5: Solve for x
    x = 198,190,084/9,360
  6. Step 6: Final answer
    x = 21,174.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.