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Finding the Third Proportional to 100,224 and 210,168

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Solution

The third proportional to 100,224 and 210,168 is: 440,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,224 : 210,168 = 210,168 : x
  2. Step 2: Convert to fraction form
    100,224/210,168 = 210,168/x
  3. Step 3: Cross multiply
    100,224x = 210,168 × 210,168
  4. Step 4: Simplify right side
    100,224x = 44,170,588,224
  5. Step 5: Solve for x
    x = 44,170,588,224/100,224
  6. Step 6: Final answer
    x = 440,718.67

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.