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Finding the Third Proportional to 38,218,764 and 83,155,869

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Solution

The third proportional to 38,218,764 and 83,155,869 is: 180,929,413.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218,764 : 83,155,869 = 83,155,869 : x
  2. Step 2: Convert to fraction form
    38,218,764/83,155,869 = 83,155,869/x
  3. Step 3: Cross multiply
    38,218,764x = 83,155,869 × 83,155,869
  4. Step 4: Simplify right side
    38,218,764x = 6,914,898,549,145,161
  5. Step 5: Solve for x
    x = 6,914,898,549,145,161/38,218,764
  6. Step 6: Final answer
    x = 180,929,413.34

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.