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Finding the Third Proportional to 904.92 and 1,323.21

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Solution

The third proportional to 904.92 and 1,323.21 is: 1,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.92 : 1,323.21 = 1,323.21 : x
  2. Step 2: Convert to fraction form
    904.92/1,323.21 = 1,323.21/x
  3. Step 3: Cross multiply
    904.92x = 1,323.21 × 1,323.21
  4. Step 4: Simplify right side
    904.92x = 1,750,887.19
  5. Step 5: Solve for x
    x = 1,750,887.19/904.92
  6. Step 6: Final answer
    x = 1,934.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.