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Finding the Third Proportional to 87,505,409 and 190,756,354

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Solution

The third proportional to 87,505,409 and 190,756,354 is: 415,836,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505,409 : 190,756,354 = 190,756,354 : x
  2. Step 2: Convert to fraction form
    87,505,409/190,756,354 = 190,756,354/x
  3. Step 3: Cross multiply
    87,505,409x = 190,756,354 × 190,756,354
  4. Step 4: Simplify right side
    87,505,409x = 36,387,986,591,373,312
  5. Step 5: Solve for x
    x = 36,387,986,591,373,312/87,505,409
  6. Step 6: Final answer
    x = 415,836,998.05

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.