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Finding the Third Proportional to 15,562 and 18,010

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Solution

The third proportional to 15,562 and 18,010 is: 20,843.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,562 : 18,010 = 18,010 : x
  2. Step 2: Convert to fraction form
    15,562/18,010 = 18,010/x
  3. Step 3: Cross multiply
    15,562x = 18,010 × 18,010
  4. Step 4: Simplify right side
    15,562x = 324,360,100
  5. Step 5: Solve for x
    x = 324,360,100/15,562
  6. Step 6: Final answer
    x = 20,843.09

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.