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Finding the Third Proportional to 4,454 and 6,664

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Solution

The third proportional to 4,454 and 6,664 is: 9,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454 : 6,664 = 6,664 : x
  2. Step 2: Convert to fraction form
    4,454/6,664 = 6,664/x
  3. Step 3: Cross multiply
    4,454x = 6,664 × 6,664
  4. Step 4: Simplify right side
    4,454x = 44,408,896
  5. Step 5: Solve for x
    x = 44,408,896/4,454
  6. Step 6: Final answer
    x = 9,970.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.