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Finding the Third Proportional to 15,594 and 20,619

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Solution

The third proportional to 15,594 and 20,619 is: 27,263.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,594 : 20,619 = 20,619 : x
  2. Step 2: Convert to fraction form
    15,594/20,619 = 20,619/x
  3. Step 3: Cross multiply
    15,594x = 20,619 × 20,619
  4. Step 4: Simplify right side
    15,594x = 425,143,161
  5. Step 5: Solve for x
    x = 425,143,161/15,594
  6. Step 6: Final answer
    x = 27,263.25

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.