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Finding the Third Proportional to 10,408 and 22,485

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Solution

The third proportional to 10,408 and 22,485 is: 48,575.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408 : 22,485 = 22,485 : x
  2. Step 2: Convert to fraction form
    10,408/22,485 = 22,485/x
  3. Step 3: Cross multiply
    10,408x = 22,485 × 22,485
  4. Step 4: Simplify right side
    10,408x = 505,575,225
  5. Step 5: Solve for x
    x = 505,575,225/10,408
  6. Step 6: Final answer
    x = 48,575.64

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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.