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Finding the Third Proportional to 7,412 and 18,168

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Solution

The third proportional to 7,412 and 18,168 is: 44,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412 : 18,168 = 18,168 : x
  2. Step 2: Convert to fraction form
    7,412/18,168 = 18,168/x
  3. Step 3: Cross multiply
    7,412x = 18,168 × 18,168
  4. Step 4: Simplify right side
    7,412x = 330,076,224
  5. Step 5: Solve for x
    x = 330,076,224/7,412
  6. Step 6: Final answer
    x = 44,532.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.