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Finding the Third Proportional to 87,634,426 and 136,230,640

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Solution

The third proportional to 87,634,426 and 136,230,640 is: 211,775,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634,426 : 136,230,640 = 136,230,640 : x
  2. Step 2: Convert to fraction form
    87,634,426/136,230,640 = 136,230,640/x
  3. Step 3: Cross multiply
    87,634,426x = 136,230,640 × 136,230,640
  4. Step 4: Simplify right side
    87,634,426x = 18,558,787,274,809,600
  5. Step 5: Solve for x
    x = 18,558,787,274,809,600/87,634,426
  6. Step 6: Final answer
    x = 211,775,076.55

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.