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Finding the Third Proportional to 4,725 and 7,323.75

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Solution

The third proportional to 4,725 and 7,323.75 is: 11,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725 : 7,323.75 = 7,323.75 : x
  2. Step 2: Convert to fraction form
    4,725/7,323.75 = 7,323.75/x
  3. Step 3: Cross multiply
    4,725x = 7,323.75 × 7,323.75
  4. Step 4: Simplify right side
    4,725x = 53,637,314.06
  5. Step 5: Solve for x
    x = 53,637,314.06/4,725
  6. Step 6: Final answer
    x = 11,351.81

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.