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Finding the Third Proportional to 18,446 and 28,608

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Solution

The third proportional to 18,446 and 28,608 is: 44,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446 : 28,608 = 28,608 : x
  2. Step 2: Convert to fraction form
    18,446/28,608 = 28,608/x
  3. Step 3: Cross multiply
    18,446x = 28,608 × 28,608
  4. Step 4: Simplify right side
    18,446x = 818,417,664
  5. Step 5: Solve for x
    x = 818,417,664/18,446
  6. Step 6: Final answer
    x = 44,368.30

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.