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Finding the Third Proportional to 79,798,953 and 171,907,986

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Solution

The third proportional to 79,798,953 and 171,907,986 is: 370,335,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,798,953 : 171,907,986 = 171,907,986 : x
  2. Step 2: Convert to fraction form
    79,798,953/171,907,986 = 171,907,986/x
  3. Step 3: Cross multiply
    79,798,953x = 171,907,986 × 171,907,986
  4. Step 4: Simplify right side
    79,798,953x = 29,552,355,650,576,196
  5. Step 5: Solve for x
    x = 29,552,355,650,576,196/79,798,953
  6. Step 6: Final answer
    x = 370,335,130.22

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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.