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Finding the Third Proportional to 554.50 and 1,166.50

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Solution

The third proportional to 554.50 and 1,166.50 is: 2,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.50 : 1,166.50 = 1,166.50 : x
  2. Step 2: Convert to fraction form
    554.50/1,166.50 = 1,166.50/x
  3. Step 3: Cross multiply
    554.50x = 1,166.50 × 1,166.50
  4. Step 4: Simplify right side
    554.50x = 1,360,722.25
  5. Step 5: Solve for x
    x = 1,360,722.25/554.50
  6. Step 6: Final answer
    x = 2,453.96

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.