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Finding the Third Proportional to 20,000,568 and 28,319,172

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Solution

The third proportional to 20,000,568 and 28,319,172 is: 40,097,636.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000,568 : 28,319,172 = 28,319,172 : x
  2. Step 2: Convert to fraction form
    20,000,568/28,319,172 = 28,319,172/x
  3. Step 3: Cross multiply
    20,000,568x = 28,319,172 × 28,319,172
  4. Step 4: Simplify right side
    20,000,568x = 801,975,502,765,584
  5. Step 5: Solve for x
    x = 801,975,502,765,584/20,000,568
  6. Step 6: Final answer
    x = 40,097,636.37

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.