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Finding the Third Proportional to 449.44 and 1,106.72

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Solution

The third proportional to 449.44 and 1,106.72 is: 2,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    449.44 : 1,106.72 = 1,106.72 : x
  2. Step 2: Convert to fraction form
    449.44/1,106.72 = 1,106.72/x
  3. Step 3: Cross multiply
    449.44x = 1,106.72 × 1,106.72
  4. Step 4: Simplify right side
    449.44x = 1,224,826.39
  5. Step 5: Solve for x
    x = 1,224,826.39/449.44
  6. Step 6: Final answer
    x = 2,725.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.