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Finding the Third Proportional to 904.92 and 1,368.77

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Solution

The third proportional to 904.92 and 1,368.77 is: 2,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.92 : 1,368.77 = 1,368.77 : x
  2. Step 2: Convert to fraction form
    904.92/1,368.77 = 1,368.77/x
  3. Step 3: Cross multiply
    904.92x = 1,368.77 × 1,368.77
  4. Step 4: Simplify right side
    904.92x = 1,873,540.72
  5. Step 5: Solve for x
    x = 1,873,540.72/904.92
  6. Step 6: Final answer
    x = 2,070.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.