Home / 154,338,122.25-331,055,815.50

Finding the Third Proportional to 154,338,122.25 and 331,055,815.50

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Solution

The third proportional to 154,338,122.25 and 331,055,815.50 is: 710,115,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,338,122.25 : 331,055,815.50 = 331,055,815.50 : x
  2. Step 2: Convert to fraction form
    154,338,122.25/331,055,815.50 = 331,055,815.50/x
  3. Step 3: Cross multiply
    154,338,122.25x = 331,055,815.50 × 331,055,815.50
  4. Step 4: Simplify right side
    154,338,122.25x = 109,597,952,976,370,048
  5. Step 5: Solve for x
    x = 109,597,952,976,370,048/154,338,122.25
  6. Step 6: Final answer
    x = 710,115,889.57

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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.