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Finding the Third Proportional to 1,078,209,360 and 1,540,786,176

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Solution

The third proportional to 1,078,209,360 and 1,540,786,176 is: 2,201,819,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,209,360 : 1,540,786,176 = 1,540,786,176 : x
  2. Step 2: Convert to fraction form
    1,078,209,360/1,540,786,176 = 1,540,786,176/x
  3. Step 3: Cross multiply
    1,078,209,360x = 1,540,786,176 × 1,540,786,176
  4. Step 4: Simplify right side
    1,078,209,360x = 2,374,022,040,152,702,976
  5. Step 5: Solve for x
    x = 2,374,022,040,152,702,976/1,078,209,360
  6. Step 6: Final answer
    x = 2,201,819,171.88

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.