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Finding the Third Proportional to 18,476 and 28,416

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Solution

The third proportional to 18,476 and 28,416 is: 43,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476 : 28,416 = 28,416 : x
  2. Step 2: Convert to fraction form
    18,476/28,416 = 28,416/x
  3. Step 3: Cross multiply
    18,476x = 28,416 × 28,416
  4. Step 4: Simplify right side
    18,476x = 807,469,056
  5. Step 5: Solve for x
    x = 807,469,056/18,476
  6. Step 6: Final answer
    x = 43,703.67

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.