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Finding the Third Proportional to 201,224 and 426,432

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Solution

The third proportional to 201,224 and 426,432 is: 903,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,224 : 426,432 = 426,432 : x
  2. Step 2: Convert to fraction form
    201,224/426,432 = 426,432/x
  3. Step 3: Cross multiply
    201,224x = 426,432 × 426,432
  4. Step 4: Simplify right side
    201,224x = 181,844,250,624
  5. Step 5: Solve for x
    x = 181,844,250,624/201,224
  6. Step 6: Final answer
    x = 903,690.67

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.