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Finding the Third Proportional to 28,752 and 40,584

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Solution

The third proportional to 28,752 and 40,584 is: 57,285.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,752 : 40,584 = 40,584 : x
  2. Step 2: Convert to fraction form
    28,752/40,584 = 40,584/x
  3. Step 3: Cross multiply
    28,752x = 40,584 × 40,584
  4. Step 4: Simplify right side
    28,752x = 1,647,061,056
  5. Step 5: Solve for x
    x = 1,647,061,056/28,752
  6. Step 6: Final answer
    x = 57,285.10

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.