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Finding the Third Proportional to 102,418,338 and 149,739,190

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Solution

The third proportional to 102,418,338 and 149,739,190 is: 218,923,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,418,338 : 149,739,190 = 149,739,190 : x
  2. Step 2: Convert to fraction form
    102,418,338/149,739,190 = 149,739,190/x
  3. Step 3: Cross multiply
    102,418,338x = 149,739,190 × 149,739,190
  4. Step 4: Simplify right side
    102,418,338x = 22,421,825,021,856,100
  5. Step 5: Solve for x
    x = 22,421,825,021,856,100/102,418,338
  6. Step 6: Final answer
    x = 218,923,929.64

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.