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Finding the Third Proportional to 28,615 and 62,354

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Solution

The third proportional to 28,615 and 62,354 is: 135,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615 : 62,354 = 62,354 : x
  2. Step 2: Convert to fraction form
    28,615/62,354 = 62,354/x
  3. Step 3: Cross multiply
    28,615x = 62,354 × 62,354
  4. Step 4: Simplify right side
    28,615x = 3,888,021,316
  5. Step 5: Solve for x
    x = 3,888,021,316/28,615
  6. Step 6: Final answer
    x = 135,873.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.