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Finding the Third Proportional to 77,771,844 and 170,183,112

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Solution

The third proportional to 77,771,844 and 170,183,112 is: 372,400,731.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,844 : 170,183,112 = 170,183,112 : x
  2. Step 2: Convert to fraction form
    77,771,844/170,183,112 = 170,183,112/x
  3. Step 3: Cross multiply
    77,771,844x = 170,183,112 × 170,183,112
  4. Step 4: Simplify right side
    77,771,844x = 28,962,291,610,004,544
  5. Step 5: Solve for x
    x = 28,962,291,610,004,544/77,771,844
  6. Step 6: Final answer
    x = 372,400,731.68

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.