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Finding the Third Proportional to 79,768,425.75 and 173,513,007.75

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Solution

The third proportional to 79,768,425.75 and 173,513,007.75 is: 377,427,078.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768,425.75 : 173,513,007.75 = 173,513,007.75 : x
  2. Step 2: Convert to fraction form
    79,768,425.75/173,513,007.75 = 173,513,007.75/x
  3. Step 3: Cross multiply
    79,768,425.75x = 173,513,007.75 × 173,513,007.75
  4. Step 4: Simplify right side
    79,768,425.75x = 30,106,763,858,451,560
  5. Step 5: Solve for x
    x = 30,106,763,858,451,560/79,768,425.75
  6. Step 6: Final answer
    x = 377,427,078.14

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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.