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Finding the Third Proportional to 1,889.16 and 2,907.14

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Solution

The third proportional to 1,889.16 and 2,907.14 is: 4,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.16 : 2,907.14 = 2,907.14 : x
  2. Step 2: Convert to fraction form
    1,889.16/2,907.14 = 2,907.14/x
  3. Step 3: Cross multiply
    1,889.16x = 2,907.14 × 2,907.14
  4. Step 4: Simplify right side
    1,889.16x = 8,451,466.61
  5. Step 5: Solve for x
    x = 8,451,466.61/1,889.16
  6. Step 6: Final answer
    x = 4,473.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.