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Finding the Third Proportional to 15,378,530 and 32,744,836

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Solution

The third proportional to 15,378,530 and 32,744,836 is: 69,722,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378,530 : 32,744,836 = 32,744,836 : x
  2. Step 2: Convert to fraction form
    15,378,530/32,744,836 = 32,744,836/x
  3. Step 3: Cross multiply
    15,378,530x = 32,744,836 × 32,744,836
  4. Step 4: Simplify right side
    15,378,530x = 1,072,224,284,666,896
  5. Step 5: Solve for x
    x = 1,072,224,284,666,896/15,378,530
  6. Step 6: Final answer
    x = 69,722,157.10

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.