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Finding the Third Proportional to 8,946 and 13,399

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Solution

The third proportional to 8,946 and 13,399 is: 20,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946 : 13,399 = 13,399 : x
  2. Step 2: Convert to fraction form
    8,946/13,399 = 13,399/x
  3. Step 3: Cross multiply
    8,946x = 13,399 × 13,399
  4. Step 4: Simplify right side
    8,946x = 179,533,201
  5. Step 5: Solve for x
    x = 179,533,201/8,946
  6. Step 6: Final answer
    x = 20,068.54

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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.