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Finding the Third Proportional to 79,344,771.75 and 122,554,540.69

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Solution

The third proportional to 79,344,771.75 and 122,554,540.69 is: 189,295,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,344,771.75 : 122,554,540.69 = 122,554,540.69 : x
  2. Step 2: Convert to fraction form
    79,344,771.75/122,554,540.69 = 122,554,540.69/x
  3. Step 3: Cross multiply
    79,344,771.75x = 122,554,540.69 × 122,554,540.69
  4. Step 4: Simplify right side
    79,344,771.75x = 15,019,615,443,124,092
  5. Step 5: Solve for x
    x = 15,019,615,443,124,092/79,344,771.75
  6. Step 6: Final answer
    x = 189,295,590.77

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.