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Finding the Third Proportional to 6,919.50 and 14,203.50

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Solution

The third proportional to 6,919.50 and 14,203.50 is: 29,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.50 : 14,203.50 = 14,203.50 : x
  2. Step 2: Convert to fraction form
    6,919.50/14,203.50 = 14,203.50/x
  3. Step 3: Cross multiply
    6,919.50x = 14,203.50 × 14,203.50
  4. Step 4: Simplify right side
    6,919.50x = 201,739,412.25
  5. Step 5: Solve for x
    x = 201,739,412.25/6,919.50
  6. Step 6: Final answer
    x = 29,155.20

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.