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Finding the Third Proportional to 79,272,055 and 174,133,045

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Solution

The third proportional to 79,272,055 and 174,133,045 is: 382,509,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272,055 : 174,133,045 = 174,133,045 : x
  2. Step 2: Convert to fraction form
    79,272,055/174,133,045 = 174,133,045/x
  3. Step 3: Cross multiply
    79,272,055x = 174,133,045 × 174,133,045
  4. Step 4: Simplify right side
    79,272,055x = 30,322,317,360,972,024
  5. Step 5: Solve for x
    x = 30,322,317,360,972,024/79,272,055
  6. Step 6: Final answer
    x = 382,509,540.86

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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.