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Finding the Third Proportional to 1,243,809,852 and 2,721,927,288

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Solution

The third proportional to 1,243,809,852 and 2,721,927,288 is: 5,956,608,358.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,809,852 : 2,721,927,288 = 2,721,927,288 : x
  2. Step 2: Convert to fraction form
    1,243,809,852/2,721,927,288 = 2,721,927,288/x
  3. Step 3: Cross multiply
    1,243,809,852x = 2,721,927,288 × 2,721,927,288
  4. Step 4: Simplify right side
    1,243,809,852x = 7,408,888,161,159,034,880
  5. Step 5: Solve for x
    x = 7,408,888,161,159,034,880/1,243,809,852
  6. Step 6: Final answer
    x = 5,956,608,358.78

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.