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Finding the Third Proportional to 79,798,986 and 171,908,028

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Solution

The third proportional to 79,798,986 and 171,908,028 is: 370,335,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798,986 : 171,908,028 = 171,908,028 : x
  2. Step 2: Convert to fraction form
    79,798,986/171,908,028 = 171,908,028/x
  3. Step 3: Cross multiply
    79,798,986x = 171,908,028 × 171,908,028
  4. Step 4: Simplify right side
    79,798,986x = 29,552,370,090,848,784
  5. Step 5: Solve for x
    x = 29,552,370,090,848,784/79,798,986
  6. Step 6: Final answer
    x = 370,335,158.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.