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Finding the Third Proportional to 2,321 and 4,434

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Solution

The third proportional to 2,321 and 4,434 is: 8,470.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321 : 4,434 = 4,434 : x
  2. Step 2: Convert to fraction form
    2,321/4,434 = 4,434/x
  3. Step 3: Cross multiply
    2,321x = 4,434 × 4,434
  4. Step 4: Simplify right side
    2,321x = 19,660,356
  5. Step 5: Solve for x
    x = 19,660,356/2,321
  6. Step 6: Final answer
    x = 8,470.64

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.