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Finding the Third Proportional to 28,395 and 58,611

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Solution

The third proportional to 28,395 and 58,611 is: 120,980.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,395 : 58,611 = 58,611 : x
  2. Step 2: Convert to fraction form
    28,395/58,611 = 58,611/x
  3. Step 3: Cross multiply
    28,395x = 58,611 × 58,611
  4. Step 4: Simplify right side
    28,395x = 3,435,249,321
  5. Step 5: Solve for x
    x = 3,435,249,321/28,395
  6. Step 6: Final answer
    x = 120,980.78

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.