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Finding the Third Proportional to 904.50 and 1,383.75

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Solution

The third proportional to 904.50 and 1,383.75 is: 2,116.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.50 : 1,383.75 = 1,383.75 : x
  2. Step 2: Convert to fraction form
    904.50/1,383.75 = 1,383.75/x
  3. Step 3: Cross multiply
    904.50x = 1,383.75 × 1,383.75
  4. Step 4: Simplify right side
    904.50x = 1,914,764.06
  5. Step 5: Solve for x
    x = 1,914,764.06/904.50
  6. Step 6: Final answer
    x = 2,116.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.