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Finding the Third Proportional to 173,124,831 and 258,823,130

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Solution

The third proportional to 173,124,831 and 258,823,130 is: 386,942,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,124,831 : 258,823,130 = 258,823,130 : x
  2. Step 2: Convert to fraction form
    173,124,831/258,823,130 = 258,823,130/x
  3. Step 3: Cross multiply
    173,124,831x = 258,823,130 × 258,823,130
  4. Step 4: Simplify right side
    173,124,831x = 66,989,412,622,996,896
  5. Step 5: Solve for x
    x = 66,989,412,622,996,896/173,124,831
  6. Step 6: Final answer
    x = 386,942,833.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.