Home / 87,455,383.88-191,385,519.75

Finding the Third Proportional to 87,455,383.88 and 191,385,519.75

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Solution

The third proportional to 87,455,383.88 and 191,385,519.75 is: 418,824,039.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,455,383.88 : 191,385,519.75 = 191,385,519.75 : x
  2. Step 2: Convert to fraction form
    87,455,383.88/191,385,519.75 = 191,385,519.75/x
  3. Step 3: Cross multiply
    87,455,383.88x = 191,385,519.75 × 191,385,519.75
  4. Step 4: Simplify right side
    87,455,383.88x = 36,628,417,169,977,640
  5. Step 5: Solve for x
    x = 36,628,417,169,977,640/87,455,383.88
  6. Step 6: Final answer
    x = 418,824,039.72

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.