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Finding the Third Proportional to 8,508,668 and 18,213,352

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Solution

The third proportional to 8,508,668 and 18,213,352 is: 38,986,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,668 : 18,213,352 = 18,213,352 : x
  2. Step 2: Convert to fraction form
    8,508,668/18,213,352 = 18,213,352/x
  3. Step 3: Cross multiply
    8,508,668x = 18,213,352 × 18,213,352
  4. Step 4: Simplify right side
    8,508,668x = 331,726,191,075,904
  5. Step 5: Solve for x
    x = 331,726,191,075,904/8,508,668
  6. Step 6: Final answer
    x = 38,986,853.30

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