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Finding the Third Proportional to 7,895 and 12,224

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Solution

The third proportional to 7,895 and 12,224 is: 18,926.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895 : 12,224 = 12,224 : x
  2. Step 2: Convert to fraction form
    7,895/12,224 = 12,224/x
  3. Step 3: Cross multiply
    7,895x = 12,224 × 12,224
  4. Step 4: Simplify right side
    7,895x = 149,426,176
  5. Step 5: Solve for x
    x = 149,426,176/7,895
  6. Step 6: Final answer
    x = 18,926.68

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.