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Finding the Third Proportional to 14,253 and 20,865

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Solution

The third proportional to 14,253 and 20,865 is: 30,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253 : 20,865 = 20,865 : x
  2. Step 2: Convert to fraction form
    14,253/20,865 = 20,865/x
  3. Step 3: Cross multiply
    14,253x = 20,865 × 20,865
  4. Step 4: Simplify right side
    14,253x = 435,348,225
  5. Step 5: Solve for x
    x = 435,348,225/14,253
  6. Step 6: Final answer
    x = 30,544.32

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.