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Finding the Third Proportional to 28,320 and 44,991

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Solution

The third proportional to 28,320 and 44,991 is: 71,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320 : 44,991 = 44,991 : x
  2. Step 2: Convert to fraction form
    28,320/44,991 = 44,991/x
  3. Step 3: Cross multiply
    28,320x = 44,991 × 44,991
  4. Step 4: Simplify right side
    28,320x = 2,024,190,081
  5. Step 5: Solve for x
    x = 2,024,190,081/28,320
  6. Step 6: Final answer
    x = 71,475.64

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.