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Finding the Third Proportional to 15,990 and 32,616

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Solution

The third proportional to 15,990 and 32,616 is: 66,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990 : 32,616 = 32,616 : x
  2. Step 2: Convert to fraction form
    15,990/32,616 = 32,616/x
  3. Step 3: Cross multiply
    15,990x = 32,616 × 32,616
  4. Step 4: Simplify right side
    15,990x = 1,063,803,456
  5. Step 5: Solve for x
    x = 1,063,803,456/15,990
  6. Step 6: Final answer
    x = 66,529.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.