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Finding the Third Proportional to 79,775,224 and 171,467,772

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Solution

The third proportional to 79,775,224 and 171,467,772 is: 368,550,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,775,224 : 171,467,772 = 171,467,772 : x
  2. Step 2: Convert to fraction form
    79,775,224/171,467,772 = 171,467,772/x
  3. Step 3: Cross multiply
    79,775,224x = 171,467,772 × 171,467,772
  4. Step 4: Simplify right side
    79,775,224x = 29,401,196,834,643,984
  5. Step 5: Solve for x
    x = 29,401,196,834,643,984/79,775,224
  6. Step 6: Final answer
    x = 368,550,476.71

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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.