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Finding the Third Proportional to 7,689,831 and 18,152,583

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Solution

The third proportional to 7,689,831 and 18,152,583 is: 42,850,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,831 : 18,152,583 = 18,152,583 : x
  2. Step 2: Convert to fraction form
    7,689,831/18,152,583 = 18,152,583/x
  3. Step 3: Cross multiply
    7,689,831x = 18,152,583 × 18,152,583
  4. Step 4: Simplify right side
    7,689,831x = 329,516,269,571,889
  5. Step 5: Solve for x
    x = 329,516,269,571,889/7,689,831
  6. Step 6: Final answer
    x = 42,850,911.75

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These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.