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Finding the Third Proportional to 554.06 and 891.84

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Solution

The third proportional to 554.06 and 891.84 is: 1,435.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.06 : 891.84 = 891.84 : x
  2. Step 2: Convert to fraction form
    554.06/891.84 = 891.84/x
  3. Step 3: Cross multiply
    554.06x = 891.84 × 891.84
  4. Step 4: Simplify right side
    554.06x = 795,385.27
  5. Step 5: Solve for x
    x = 795,385.27/554.06
  6. Step 6: Final answer
    x = 1,435.55

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.