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Finding the Third Proportional to 804.38 and 1,276.88

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Solution

The third proportional to 804.38 and 1,276.88 is: 2,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804.38 : 1,276.88 = 1,276.88 : x
  2. Step 2: Convert to fraction form
    804.38/1,276.88 = 1,276.88/x
  3. Step 3: Cross multiply
    804.38x = 1,276.88 × 1,276.88
  4. Step 4: Simplify right side
    804.38x = 1,630,409.77
  5. Step 5: Solve for x
    x = 1,630,409.77/804.38
  6. Step 6: Final answer
    x = 2,026.93

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.