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Finding the Third Proportional to 18,591,164 and 28,421,830

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Solution

The third proportional to 18,591,164 and 28,421,830 is: 43,450,771.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,164 : 28,421,830 = 28,421,830 : x
  2. Step 2: Convert to fraction form
    18,591,164/28,421,830 = 28,421,830/x
  3. Step 3: Cross multiply
    18,591,164x = 28,421,830 × 28,421,830
  4. Step 4: Simplify right side
    18,591,164x = 807,800,420,548,900
  5. Step 5: Solve for x
    x = 807,800,420,548,900/18,591,164
  6. Step 6: Final answer
    x = 43,450,771.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.