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Finding the Third Proportional to 18,576,928 and 40,253,930

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Solution

The third proportional to 18,576,928 and 40,253,930 is: 87,225,341.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576,928 : 40,253,930 = 40,253,930 : x
  2. Step 2: Convert to fraction form
    18,576,928/40,253,930 = 40,253,930/x
  3. Step 3: Cross multiply
    18,576,928x = 40,253,930 × 40,253,930
  4. Step 4: Simplify right side
    18,576,928x = 1,620,378,880,444,900
  5. Step 5: Solve for x
    x = 1,620,378,880,444,900/18,576,928
  6. Step 6: Final answer
    x = 87,225,341.05

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.