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Finding the Third Proportional to 117,170,430 and 255,171,036

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Solution

The third proportional to 117,170,430 and 255,171,036 is: 555,705,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,170,430 : 255,171,036 = 255,171,036 : x
  2. Step 2: Convert to fraction form
    117,170,430/255,171,036 = 255,171,036/x
  3. Step 3: Cross multiply
    117,170,430x = 255,171,036 × 255,171,036
  4. Step 4: Simplify right side
    117,170,430x = 65,112,257,613,313,296
  5. Step 5: Solve for x
    x = 65,112,257,613,313,296/117,170,430
  6. Step 6: Final answer
    x = 555,705,544.59

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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.