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Finding the Third Proportional to 79,397,541 and 171,985,599

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Solution

The third proportional to 79,397,541 and 171,985,599 is: 372,543,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,397,541 : 171,985,599 = 171,985,599 : x
  2. Step 2: Convert to fraction form
    79,397,541/171,985,599 = 171,985,599/x
  3. Step 3: Cross multiply
    79,397,541x = 171,985,599 × 171,985,599
  4. Step 4: Simplify right side
    79,397,541x = 29,579,046,263,388,800
  5. Step 5: Solve for x
    x = 29,579,046,263,388,800/79,397,541
  6. Step 6: Final answer
    x = 372,543,606.40

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.