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Finding the Third Proportional to 13,268 and 15,700

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Solution

The third proportional to 13,268 and 15,700 is: 18,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268 : 15,700 = 15,700 : x
  2. Step 2: Convert to fraction form
    13,268/15,700 = 15,700/x
  3. Step 3: Cross multiply
    13,268x = 15,700 × 15,700
  4. Step 4: Simplify right side
    13,268x = 246,490,000
  5. Step 5: Solve for x
    x = 246,490,000/13,268
  6. Step 6: Final answer
    x = 18,577.78

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.