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Finding the Third Proportional to 79,272,554 and 174,133,936

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Solution

The third proportional to 79,272,554 and 174,133,936 is: 382,511,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,554 : 174,133,936 = 174,133,936 : x
  2. Step 2: Convert to fraction form
    79,272,554/174,133,936 = 174,133,936/x
  3. Step 3: Cross multiply
    79,272,554x = 174,133,936 × 174,133,936
  4. Step 4: Simplify right side
    79,272,554x = 30,322,627,666,852,096
  5. Step 5: Solve for x
    x = 30,322,627,666,852,096/79,272,554
  6. Step 6: Final answer
    x = 382,511,047.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.