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Finding the Third Proportional to 18,580.50 and 28,819.13

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Solution

The third proportional to 18,580.50 and 28,819.13 is: 44,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,580.50 : 28,819.13 = 28,819.13 : x
  2. Step 2: Convert to fraction form
    18,580.50/28,819.13 = 28,819.13/x
  3. Step 3: Cross multiply
    18,580.50x = 28,819.13 × 28,819.13
  4. Step 4: Simplify right side
    18,580.50x = 830,541,965.77
  5. Step 5: Solve for x
    x = 830,541,965.77/18,580.50
  6. Step 6: Final answer
    x = 44,699.66

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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.