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Finding the Third Proportional to 6,413 and 13,919.50

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Solution

The third proportional to 6,413 and 13,919.50 is: 30,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413 : 13,919.50 = 13,919.50 : x
  2. Step 2: Convert to fraction form
    6,413/13,919.50 = 13,919.50/x
  3. Step 3: Cross multiply
    6,413x = 13,919.50 × 13,919.50
  4. Step 4: Simplify right side
    6,413x = 193,752,480.25
  5. Step 5: Solve for x
    x = 193,752,480.25/6,413
  6. Step 6: Final answer
    x = 30,212.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.