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Finding the Third Proportional to 77,771,840 and 170,183,104

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Solution

The third proportional to 77,771,840 and 170,183,104 is: 372,400,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,771,840 : 170,183,104 = 170,183,104 : x
  2. Step 2: Convert to fraction form
    77,771,840/170,183,104 = 170,183,104/x
  3. Step 3: Cross multiply
    77,771,840x = 170,183,104 × 170,183,104
  4. Step 4: Simplify right side
    77,771,840x = 28,962,288,887,074,816
  5. Step 5: Solve for x
    x = 28,962,288,887,074,816/77,771,840
  6. Step 6: Final answer
    x = 372,400,715.83

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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.