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Finding the Third Proportional to 904.92 and 1,339.03

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Solution

The third proportional to 904.92 and 1,339.03 is: 1,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.92 : 1,339.03 = 1,339.03 : x
  2. Step 2: Convert to fraction form
    904.92/1,339.03 = 1,339.03/x
  3. Step 3: Cross multiply
    904.92x = 1,339.03 × 1,339.03
  4. Step 4: Simplify right side
    904.92x = 1,793,004.69
  5. Step 5: Solve for x
    x = 1,793,004.69/904.92
  6. Step 6: Final answer
    x = 1,981.39

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.