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Finding the Third Proportional to 8,555,288 and 19,023,400

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Solution

The third proportional to 8,555,288 and 19,023,400 is: 42,300,124.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555,288 : 19,023,400 = 19,023,400 : x
  2. Step 2: Convert to fraction form
    8,555,288/19,023,400 = 19,023,400/x
  3. Step 3: Cross multiply
    8,555,288x = 19,023,400 × 19,023,400
  4. Step 4: Simplify right side
    8,555,288x = 361,889,747,560,000
  5. Step 5: Solve for x
    x = 361,889,747,560,000/8,555,288
  6. Step 6: Final answer
    x = 42,300,124.50

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.