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Finding the Third Proportional to 74,313,269 and 155,402,404

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Solution

The third proportional to 74,313,269 and 155,402,404 is: 324,974,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,269 : 155,402,404 = 155,402,404 : x
  2. Step 2: Convert to fraction form
    74,313,269/155,402,404 = 155,402,404/x
  3. Step 3: Cross multiply
    74,313,269x = 155,402,404 × 155,402,404
  4. Step 4: Simplify right side
    74,313,269x = 24,149,907,168,979,216
  5. Step 5: Solve for x
    x = 24,149,907,168,979,216/74,313,269
  6. Step 6: Final answer
    x = 324,974,361.83

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.