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Finding the Third Proportional to 173,640,257 and 361,570,372

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Solution

The third proportional to 173,640,257 and 361,570,372 is: 752,896,454.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,640,257 : 361,570,372 = 361,570,372 : x
  2. Step 2: Convert to fraction form
    173,640,257/361,570,372 = 361,570,372/x
  3. Step 3: Cross multiply
    173,640,257x = 361,570,372 × 361,570,372
  4. Step 4: Simplify right side
    173,640,257x = 130,733,133,908,218,384
  5. Step 5: Solve for x
    x = 130,733,133,908,218,384/173,640,257
  6. Step 6: Final answer
    x = 752,896,454.81

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.