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Finding the Third Proportional to 7,268 and 15,487

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Solution

The third proportional to 7,268 and 15,487 is: 33,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268 : 15,487 = 15,487 : x
  2. Step 2: Convert to fraction form
    7,268/15,487 = 15,487/x
  3. Step 3: Cross multiply
    7,268x = 15,487 × 15,487
  4. Step 4: Simplify right side
    7,268x = 239,847,169
  5. Step 5: Solve for x
    x = 239,847,169/7,268
  6. Step 6: Final answer
    x = 33,000.44

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.