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Finding the Third Proportional to 18,267,797 and 39,291,214

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Solution

The third proportional to 18,267,797 and 39,291,214 is: 84,509,341.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267,797 : 39,291,214 = 39,291,214 : x
  2. Step 2: Convert to fraction form
    18,267,797/39,291,214 = 39,291,214/x
  3. Step 3: Cross multiply
    18,267,797x = 39,291,214 × 39,291,214
  4. Step 4: Simplify right side
    18,267,797x = 1,543,799,497,593,796
  5. Step 5: Solve for x
    x = 1,543,799,497,593,796/18,267,797
  6. Step 6: Final answer
    x = 84,509,341.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.