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Finding the Third Proportional to 15,992 and 19,556

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Solution

The third proportional to 15,992 and 19,556 is: 23,914.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,992 : 19,556 = 19,556 : x
  2. Step 2: Convert to fraction form
    15,992/19,556 = 19,556/x
  3. Step 3: Cross multiply
    15,992x = 19,556 × 19,556
  4. Step 4: Simplify right side
    15,992x = 382,437,136
  5. Step 5: Solve for x
    x = 382,437,136/15,992
  6. Step 6: Final answer
    x = 23,914.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.