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Finding the Third Proportional to 74,313,204 and 155,402,279

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Solution

The third proportional to 74,313,204 and 155,402,279 is: 324,974,123.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,204 : 155,402,279 = 155,402,279 : x
  2. Step 2: Convert to fraction form
    74,313,204/155,402,279 = 155,402,279/x
  3. Step 3: Cross multiply
    74,313,204x = 155,402,279 × 155,402,279
  4. Step 4: Simplify right side
    74,313,204x = 24,149,868,318,393,840
  5. Step 5: Solve for x
    x = 24,149,868,318,393,840/74,313,204
  6. Step 6: Final answer
    x = 324,974,123.28

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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.