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Finding the Third Proportional to 6,631 and 14,509

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Solution

The third proportional to 6,631 and 14,509 is: 31,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631 : 14,509 = 14,509 : x
  2. Step 2: Convert to fraction form
    6,631/14,509 = 14,509/x
  3. Step 3: Cross multiply
    6,631x = 14,509 × 14,509
  4. Step 4: Simplify right side
    6,631x = 210,511,081
  5. Step 5: Solve for x
    x = 210,511,081/6,631
  6. Step 6: Final answer
    x = 31,746.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.