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Finding the Third Proportional to 1,255,567,302.75 and 1,959,642,261.75

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Solution

The third proportional to 1,255,567,302.75 and 1,959,642,261.75 is: 3,058,535,998.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,567,302.75 : 1,959,642,261.75 = 1,959,642,261.75 : x
  2. Step 2: Convert to fraction form
    1,255,567,302.75/1,959,642,261.75 = 1,959,642,261.75/x
  3. Step 3: Cross multiply
    1,255,567,302.75x = 1,959,642,261.75 × 1,959,642,261.75
  4. Step 4: Simplify right side
    1,255,567,302.75x = 3,840,197,794,036,655,616
  5. Step 5: Solve for x
    x = 3,840,197,794,036,655,616/1,255,567,302.75
  6. Step 6: Final answer
    x = 3,058,535,998.53

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.