Home / 218,556,525.38-445,892,456.81

Finding the Third Proportional to 218,556,525.38 and 445,892,456.81

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Solution

The third proportional to 218,556,525.38 and 445,892,456.81 is: 909,696,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,556,525.38 : 445,892,456.81 = 445,892,456.81 : x
  2. Step 2: Convert to fraction form
    218,556,525.38/445,892,456.81 = 445,892,456.81/x
  3. Step 3: Cross multiply
    218,556,525.38x = 445,892,456.81 × 445,892,456.81
  4. Step 4: Simplify right side
    218,556,525.38x = 198,820,083,042,287,168
  5. Step 5: Solve for x
    x = 198,820,083,042,287,168/218,556,525.38
  6. Step 6: Final answer
    x = 909,696,394.11

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.