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Finding the Third Proportional to 1,911 and 4,600.50

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Solution

The third proportional to 1,911 and 4,600.50 is: 11,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911 : 4,600.50 = 4,600.50 : x
  2. Step 2: Convert to fraction form
    1,911/4,600.50 = 4,600.50/x
  3. Step 3: Cross multiply
    1,911x = 4,600.50 × 4,600.50
  4. Step 4: Simplify right side
    1,911x = 21,164,600.25
  5. Step 5: Solve for x
    x = 21,164,600.25/1,911
  6. Step 6: Final answer
    x = 11,075.14

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.