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Finding the Third Proportional to 10,912 and 14,704

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Solution

The third proportional to 10,912 and 14,704 is: 19,813.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912 : 14,704 = 14,704 : x
  2. Step 2: Convert to fraction form
    10,912/14,704 = 14,704/x
  3. Step 3: Cross multiply
    10,912x = 14,704 × 14,704
  4. Step 4: Simplify right side
    10,912x = 216,207,616
  5. Step 5: Solve for x
    x = 216,207,616/10,912
  6. Step 6: Final answer
    x = 19,813.75

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.