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Finding the Third Proportional to 117,909,826 and 253,735,556

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Solution

The third proportional to 117,909,826 and 253,735,556 is: 546,025,166.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,909,826 : 253,735,556 = 253,735,556 : x
  2. Step 2: Convert to fraction form
    117,909,826/253,735,556 = 253,735,556/x
  3. Step 3: Cross multiply
    117,909,826x = 253,735,556 × 253,735,556
  4. Step 4: Simplify right side
    117,909,826x = 64,381,732,378,629,136
  5. Step 5: Solve for x
    x = 64,381,732,378,629,136/117,909,826
  6. Step 6: Final answer
    x = 546,025,166.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.