Home / 203,828,212.05-311,670,386.61

Finding the Third Proportional to 203,828,212.05 and 311,670,386.61

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Solution

The third proportional to 203,828,212.05 and 311,670,386.61 is: 476,570,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,828,212.05 : 311,670,386.61 = 311,670,386.61 : x
  2. Step 2: Convert to fraction form
    203,828,212.05/311,670,386.61 = 311,670,386.61/x
  3. Step 3: Cross multiply
    203,828,212.05x = 311,670,386.61 × 311,670,386.61
  4. Step 4: Simplify right side
    203,828,212.05x = 97,138,429,891,677,664
  5. Step 5: Solve for x
    x = 97,138,429,891,677,664/203,828,212.05
  6. Step 6: Final answer
    x = 476,570,092.59

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.