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Finding the Third Proportional to 4,408 and 10,240

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Solution

The third proportional to 4,408 and 10,240 is: 23,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408 : 10,240 = 10,240 : x
  2. Step 2: Convert to fraction form
    4,408/10,240 = 10,240/x
  3. Step 3: Cross multiply
    4,408x = 10,240 × 10,240
  4. Step 4: Simplify right side
    4,408x = 104,857,600
  5. Step 5: Solve for x
    x = 104,857,600/4,408
  6. Step 6: Final answer
    x = 23,788.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.