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Finding the Third Proportional to 451.75 and 933.69

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Solution

The third proportional to 451.75 and 933.69 is: 1,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451.75 : 933.69 = 933.69 : x
  2. Step 2: Convert to fraction form
    451.75/933.69 = 933.69/x
  3. Step 3: Cross multiply
    451.75x = 933.69 × 933.69
  4. Step 4: Simplify right side
    451.75x = 871,772.35
  5. Step 5: Solve for x
    x = 871,772.35/451.75
  6. Step 6: Final answer
    x = 1,929.77

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.