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Finding the Third Proportional to 173,640,218 and 361,570,292

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Solution

The third proportional to 173,640,218 and 361,570,292 is: 752,896,290.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,640,218 : 361,570,292 = 361,570,292 : x
  2. Step 2: Convert to fraction form
    173,640,218/361,570,292 = 361,570,292/x
  3. Step 3: Cross multiply
    173,640,218x = 361,570,292 × 361,570,292
  4. Step 4: Simplify right side
    173,640,218x = 130,733,076,056,965,264
  5. Step 5: Solve for x
    x = 130,733,076,056,965,264/173,640,218
  6. Step 6: Final answer
    x = 752,896,290.75

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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.