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Finding the Third Proportional to 650,540,109 and 991,055,876

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Solution

The third proportional to 650,540,109 and 991,055,876 is: 1,509,809,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,540,109 : 991,055,876 = 991,055,876 : x
  2. Step 2: Convert to fraction form
    650,540,109/991,055,876 = 991,055,876/x
  3. Step 3: Cross multiply
    650,540,109x = 991,055,876 × 991,055,876
  4. Step 4: Simplify right side
    650,540,109x = 982,191,749,354,127,360
  5. Step 5: Solve for x
    x = 982,191,749,354,127,360/650,540,109
  6. Step 6: Final answer
    x = 1,509,809,673.17

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.