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Finding the Third Proportional to 79,761,405 and 173,135,516

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Solution

The third proportional to 79,761,405 and 173,135,516 is: 375,819,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761,405 : 173,135,516 = 173,135,516 : x
  2. Step 2: Convert to fraction form
    79,761,405/173,135,516 = 173,135,516/x
  3. Step 3: Cross multiply
    79,761,405x = 173,135,516 × 173,135,516
  4. Step 4: Simplify right side
    79,761,405x = 29,975,906,900,586,256
  5. Step 5: Solve for x
    x = 29,975,906,900,586,256/79,761,405
  6. Step 6: Final answer
    x = 375,819,695.01

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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.