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Finding the Third Proportional to 16,403 and 35,399

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Solution

The third proportional to 16,403 and 35,399 is: 76,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,403 : 35,399 = 35,399 : x
  2. Step 2: Convert to fraction form
    16,403/35,399 = 35,399/x
  3. Step 3: Cross multiply
    16,403x = 35,399 × 35,399
  4. Step 4: Simplify right side
    16,403x = 1,253,089,201
  5. Step 5: Solve for x
    x = 1,253,089,201/16,403
  6. Step 6: Final answer
    x = 76,393.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.