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Finding the Third Proportional to 276,100,028 and 439,541,670

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Solution

The third proportional to 276,100,028 and 439,541,670 is: 699,735,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,100,028 : 439,541,670 = 439,541,670 : x
  2. Step 2: Convert to fraction form
    276,100,028/439,541,670 = 439,541,670/x
  3. Step 3: Cross multiply
    276,100,028x = 439,541,670 × 439,541,670
  4. Step 4: Simplify right side
    276,100,028x = 193,196,879,666,388,896
  5. Step 5: Solve for x
    x = 193,196,879,666,388,896/276,100,028
  6. Step 6: Final answer
    x = 699,735,096.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.