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Finding the Third Proportional to 10,500 and 15,050

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Solution

The third proportional to 10,500 and 15,050 is: 21,571.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,500 : 15,050 = 15,050 : x
  2. Step 2: Convert to fraction form
    10,500/15,050 = 15,050/x
  3. Step 3: Cross multiply
    10,500x = 15,050 × 15,050
  4. Step 4: Simplify right side
    10,500x = 226,502,500
  5. Step 5: Solve for x
    x = 226,502,500/10,500
  6. Step 6: Final answer
    x = 21,571.67

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.