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Finding the Third Proportional to 4,157,615 and 8,889,774

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Solution

The third proportional to 4,157,615 and 8,889,774 is: 19,008,032.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,157,615 : 8,889,774 = 8,889,774 : x
  2. Step 2: Convert to fraction form
    4,157,615/8,889,774 = 8,889,774/x
  3. Step 3: Cross multiply
    4,157,615x = 8,889,774 × 8,889,774
  4. Step 4: Simplify right side
    4,157,615x = 79,028,081,771,076
  5. Step 5: Solve for x
    x = 79,028,081,771,076/4,157,615
  6. Step 6: Final answer
    x = 19,008,032.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.