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Finding the Third Proportional to 1,125,361,428 and 2,399,367,720

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Solution

The third proportional to 1,125,361,428 and 2,399,367,720 is: 5,115,659,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,361,428 : 2,399,367,720 = 2,399,367,720 : x
  2. Step 2: Convert to fraction form
    1,125,361,428/2,399,367,720 = 2,399,367,720/x
  3. Step 3: Cross multiply
    1,125,361,428x = 2,399,367,720 × 2,399,367,720
  4. Step 4: Simplify right side
    1,125,361,428x = 5,756,965,455,777,998,848
  5. Step 5: Solve for x
    x = 5,756,965,455,777,998,848/1,125,361,428
  6. Step 6: Final answer
    x = 5,115,659,122.96

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.