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Finding the Third Proportional to 74,313,236 and 155,402,336

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Solution

The third proportional to 74,313,236 and 155,402,336 is: 324,974,221.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,313,236 : 155,402,336 = 155,402,336 : x
  2. Step 2: Convert to fraction form
    74,313,236/155,402,336 = 155,402,336/x
  3. Step 3: Cross multiply
    74,313,236x = 155,402,336 × 155,402,336
  4. Step 4: Simplify right side
    74,313,236x = 24,149,886,034,256,896
  5. Step 5: Solve for x
    x = 24,149,886,034,256,896/74,313,236
  6. Step 6: Final answer
    x = 324,974,221.74

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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.