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Finding the Third Proportional to 1,241,790,462 and 1,908,720,918

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Solution

The third proportional to 1,241,790,462 and 1,908,720,918 is: 2,933,840,816.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,790,462 : 1,908,720,918 = 1,908,720,918 : x
  2. Step 2: Convert to fraction form
    1,241,790,462/1,908,720,918 = 1,908,720,918/x
  3. Step 3: Cross multiply
    1,241,790,462x = 1,908,720,918 × 1,908,720,918
  4. Step 4: Simplify right side
    1,241,790,462x = 3,643,215,542,810,762,752
  5. Step 5: Solve for x
    x = 3,643,215,542,810,762,752/1,241,790,462
  6. Step 6: Final answer
    x = 2,933,840,816.38

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.