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Finding the Third Proportional to 291,229,488 and 623,347,756

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Solution

The third proportional to 291,229,488 and 623,347,756 is: 1,334,213,879.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,229,488 : 623,347,756 = 623,347,756 : x
  2. Step 2: Convert to fraction form
    291,229,488/623,347,756 = 623,347,756/x
  3. Step 3: Cross multiply
    291,229,488x = 623,347,756 × 623,347,756
  4. Step 4: Simplify right side
    291,229,488x = 388,562,424,910,235,520
  5. Step 5: Solve for x
    x = 388,562,424,910,235,520/291,229,488
  6. Step 6: Final answer
    x = 1,334,213,879.16

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.