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Finding the Third Proportional to 18,392,911 and 43,357,211

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Solution

The third proportional to 18,392,911 and 43,357,211 is: 102,205,015.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392,911 : 43,357,211 = 43,357,211 : x
  2. Step 2: Convert to fraction form
    18,392,911/43,357,211 = 43,357,211/x
  3. Step 3: Cross multiply
    18,392,911x = 43,357,211 × 43,357,211
  4. Step 4: Simplify right side
    18,392,911x = 1,879,847,745,698,521
  5. Step 5: Solve for x
    x = 1,879,847,745,698,521/18,392,911
  6. Step 6: Final answer
    x = 102,205,015.06

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Why These Related Problems?

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