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Finding the Third Proportional to 87,505,560 and 190,756,656

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Solution

The third proportional to 87,505,560 and 190,756,656 is: 415,837,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,505,560 : 190,756,656 = 190,756,656 : x
  2. Step 2: Convert to fraction form
    87,505,560/190,756,656 = 190,756,656/x
  3. Step 3: Cross multiply
    87,505,560x = 190,756,656 × 190,756,656
  4. Step 4: Simplify right side
    87,505,560x = 36,388,101,808,302,336
  5. Step 5: Solve for x
    x = 36,388,101,808,302,336/87,505,560
  6. Step 6: Final answer
    x = 415,837,597.16

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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.