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Finding the Third Proportional to 9,355,568 and 20,154,878

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Solution

The third proportional to 9,355,568 and 20,154,878 is: 43,420,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,568 : 20,154,878 = 20,154,878 : x
  2. Step 2: Convert to fraction form
    9,355,568/20,154,878 = 20,154,878/x
  3. Step 3: Cross multiply
    9,355,568x = 20,154,878 × 20,154,878
  4. Step 4: Simplify right side
    9,355,568x = 406,219,107,194,884
  5. Step 5: Solve for x
    x = 406,219,107,194,884/9,355,568
  6. Step 6: Final answer
    x = 43,420,036.84

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.