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Finding the Third Proportional to 90,744,779 and 139,481,267

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Solution

The third proportional to 90,744,779 and 139,481,267 is: 214,392,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,744,779 : 139,481,267 = 139,481,267 : x
  2. Step 2: Convert to fraction form
    90,744,779/139,481,267 = 139,481,267/x
  3. Step 3: Cross multiply
    90,744,779x = 139,481,267 × 139,481,267
  4. Step 4: Simplify right side
    90,744,779x = 19,455,023,843,925,288
  5. Step 5: Solve for x
    x = 19,455,023,843,925,288/90,744,779
  6. Step 6: Final answer
    x = 214,392,762.41

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.