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Finding the Third Proportional to 18,579 and 28,584

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Solution

The third proportional to 18,579 and 28,584 is: 43,976.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579 : 28,584 = 28,584 : x
  2. Step 2: Convert to fraction form
    18,579/28,584 = 28,584/x
  3. Step 3: Cross multiply
    18,579x = 28,584 × 28,584
  4. Step 4: Simplify right side
    18,579x = 817,045,056
  5. Step 5: Solve for x
    x = 817,045,056/18,579
  6. Step 6: Final answer
    x = 43,976.80

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.