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Finding the Third Proportional to 28,409 and 44,468

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Solution

The third proportional to 28,409 and 44,468 is: 69,604.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409 : 44,468 = 44,468 : x
  2. Step 2: Convert to fraction form
    28,409/44,468 = 44,468/x
  3. Step 3: Cross multiply
    28,409x = 44,468 × 44,468
  4. Step 4: Simplify right side
    28,409x = 1,977,403,024
  5. Step 5: Solve for x
    x = 1,977,403,024/28,409
  6. Step 6: Final answer
    x = 69,604.81

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.