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Finding the Third Proportional to 74,313,224 and 155,402,314

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Solution

The third proportional to 74,313,224 and 155,402,314 is: 324,974,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,224 : 155,402,314 = 155,402,314 : x
  2. Step 2: Convert to fraction form
    74,313,224/155,402,314 = 155,402,314/x
  3. Step 3: Cross multiply
    74,313,224x = 155,402,314 × 155,402,314
  4. Step 4: Simplify right side
    74,313,224x = 24,149,879,196,554,596
  5. Step 5: Solve for x
    x = 24,149,879,196,554,596/74,313,224
  6. Step 6: Final answer
    x = 324,974,182.21

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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.