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Finding the Third Proportional to 1,243,809,862 and 2,721,927,308

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Solution

The third proportional to 1,243,809,862 and 2,721,927,308 is: 5,956,608,398.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,809,862 : 2,721,927,308 = 2,721,927,308 : x
  2. Step 2: Convert to fraction form
    1,243,809,862/2,721,927,308 = 2,721,927,308/x
  3. Step 3: Cross multiply
    1,243,809,862x = 2,721,927,308 × 2,721,927,308
  4. Step 4: Simplify right side
    1,243,809,862x = 7,408,888,270,036,126,720
  5. Step 5: Solve for x
    x = 7,408,888,270,036,126,720/1,243,809,862
  6. Step 6: Final answer
    x = 5,956,608,398.43

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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.