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Finding the Third Proportional to 76,620,363 and 118,967,721

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Solution

The third proportional to 76,620,363 and 118,967,721 is: 184,720,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,620,363 : 118,967,721 = 118,967,721 : x
  2. Step 2: Convert to fraction form
    76,620,363/118,967,721 = 118,967,721/x
  3. Step 3: Cross multiply
    76,620,363x = 118,967,721 × 118,967,721
  4. Step 4: Simplify right side
    76,620,363x = 14,153,318,639,933,840
  5. Step 5: Solve for x
    x = 14,153,318,639,933,840/76,620,363
  6. Step 6: Final answer
    x = 184,720,067.69

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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.