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Finding the Third Proportional to 1,868.06 and 4,043.67

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Solution

The third proportional to 1,868.06 and 4,043.67 is: 8,753.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.06 : 4,043.67 = 4,043.67 : x
  2. Step 2: Convert to fraction form
    1,868.06/4,043.67 = 4,043.67/x
  3. Step 3: Cross multiply
    1,868.06x = 4,043.67 × 4,043.67
  4. Step 4: Simplify right side
    1,868.06x = 16,351,282.23
  5. Step 5: Solve for x
    x = 16,351,282.23/1,868.06
  6. Step 6: Final answer
    x = 8,753.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.