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Finding the Third Proportional to 19,152 and 28,611

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Solution

The third proportional to 19,152 and 28,611 is: 42,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152 : 28,611 = 28,611 : x
  2. Step 2: Convert to fraction form
    19,152/28,611 = 28,611/x
  3. Step 3: Cross multiply
    19,152x = 28,611 × 28,611
  4. Step 4: Simplify right side
    19,152x = 818,589,321
  5. Step 5: Solve for x
    x = 818,589,321/19,152
  6. Step 6: Final answer
    x = 42,741.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.