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Finding the Third Proportional to 4,357 and 9,410

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Solution

The third proportional to 4,357 and 9,410 is: 20,323.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357 : 9,410 = 9,410 : x
  2. Step 2: Convert to fraction form
    4,357/9,410 = 9,410/x
  3. Step 3: Cross multiply
    4,357x = 9,410 × 9,410
  4. Step 4: Simplify right side
    4,357x = 88,548,100
  5. Step 5: Solve for x
    x = 88,548,100/4,357
  6. Step 6: Final answer
    x = 20,323.18

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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.