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Finding the Third Proportional to 79,768,152 and 173,512,462

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Solution

The third proportional to 79,768,152 and 173,512,462 is: 377,425,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768,152 : 173,512,462 = 173,512,462 : x
  2. Step 2: Convert to fraction form
    79,768,152/173,512,462 = 173,512,462/x
  3. Step 3: Cross multiply
    79,768,152x = 173,512,462 × 173,512,462
  4. Step 4: Simplify right side
    79,768,152x = 30,106,574,469,301,444
  5. Step 5: Solve for x
    x = 30,106,574,469,301,444/79,768,152
  6. Step 6: Final answer
    x = 377,425,999.15

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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.