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Finding the Third Proportional to 30,225 and 45,453

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Solution

The third proportional to 30,225 and 45,453 is: 68,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,225 : 45,453 = 45,453 : x
  2. Step 2: Convert to fraction form
    30,225/45,453 = 45,453/x
  3. Step 3: Cross multiply
    30,225x = 45,453 × 45,453
  4. Step 4: Simplify right side
    30,225x = 2,065,975,209
  5. Step 5: Solve for x
    x = 2,065,975,209/30,225
  6. Step 6: Final answer
    x = 68,353.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.