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Finding the Third Proportional to 173,942,139 and 372,783,569.50

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Solution

The third proportional to 173,942,139 and 372,783,569.50 is: 798,929,980.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,942,139 : 372,783,569.50 = 372,783,569.50 : x
  2. Step 2: Convert to fraction form
    173,942,139/372,783,569.50 = 372,783,569.50/x
  3. Step 3: Cross multiply
    173,942,139x = 372,783,569.50 × 372,783,569.50
  4. Step 4: Simplify right side
    173,942,139x = 138,967,589,689,161,328
  5. Step 5: Solve for x
    x = 138,967,589,689,161,328/173,942,139
  6. Step 6: Final answer
    x = 798,929,980.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.