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Finding the Third Proportional to 4,480 and 5,152

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Solution

The third proportional to 4,480 and 5,152 is: 5,924.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480 : 5,152 = 5,152 : x
  2. Step 2: Convert to fraction form
    4,480/5,152 = 5,152/x
  3. Step 3: Cross multiply
    4,480x = 5,152 × 5,152
  4. Step 4: Simplify right side
    4,480x = 26,543,104
  5. Step 5: Solve for x
    x = 26,543,104/4,480
  6. Step 6: Final answer
    x = 5,924.80

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.