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Finding the Third Proportional to 7,104 and 14,820

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Solution

The third proportional to 7,104 and 14,820 is: 30,916.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,104 : 14,820 = 14,820 : x
  2. Step 2: Convert to fraction form
    7,104/14,820 = 14,820/x
  3. Step 3: Cross multiply
    7,104x = 14,820 × 14,820
  4. Step 4: Simplify right side
    7,104x = 219,632,400
  5. Step 5: Solve for x
    x = 219,632,400/7,104
  6. Step 6: Final answer
    x = 30,916.72

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.