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Finding the Third Proportional to 4,342,972 and 8,576,945

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Solution

The third proportional to 4,342,972 and 8,576,945 is: 16,938,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342,972 : 8,576,945 = 8,576,945 : x
  2. Step 2: Convert to fraction form
    4,342,972/8,576,945 = 8,576,945/x
  3. Step 3: Cross multiply
    4,342,972x = 8,576,945 × 8,576,945
  4. Step 4: Simplify right side
    4,342,972x = 73,563,985,533,025
  5. Step 5: Solve for x
    x = 73,563,985,533,025/4,342,972
  6. Step 6: Final answer
    x = 16,938,627.63

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.