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Finding the Third Proportional to 351,214,054 and 780,954,021

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Solution

The third proportional to 351,214,054 and 780,954,021 is: 1,736,517,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,214,054 : 780,954,021 = 780,954,021 : x
  2. Step 2: Convert to fraction form
    351,214,054/780,954,021 = 780,954,021/x
  3. Step 3: Cross multiply
    351,214,054x = 780,954,021 × 780,954,021
  4. Step 4: Simplify right side
    351,214,054x = 609,889,182,916,068,480
  5. Step 5: Solve for x
    x = 609,889,182,916,068,480/351,214,054
  6. Step 6: Final answer
    x = 1,736,517,021.37

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.