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Finding the Third Proportional to 910,591,391 and 1,959,290,734

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Solution

The third proportional to 910,591,391 and 1,959,290,734 is: 4,215,743,986.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,591,391 : 1,959,290,734 = 1,959,290,734 : x
  2. Step 2: Convert to fraction form
    910,591,391/1,959,290,734 = 1,959,290,734/x
  3. Step 3: Cross multiply
    910,591,391x = 1,959,290,734 × 1,959,290,734
  4. Step 4: Simplify right side
    910,591,391x = 3,838,820,180,338,258,944
  5. Step 5: Solve for x
    x = 3,838,820,180,338,258,944/910,591,391
  6. Step 6: Final answer
    x = 4,215,743,986.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.