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Finding the Third Proportional to 1,295,530,128 and 2,821,074,336

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Solution

The third proportional to 1,295,530,128 and 2,821,074,336 is: 6,143,014,536.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,530,128 : 2,821,074,336 = 2,821,074,336 : x
  2. Step 2: Convert to fraction form
    1,295,530,128/2,821,074,336 = 2,821,074,336/x
  3. Step 3: Cross multiply
    1,295,530,128x = 2,821,074,336 × 2,821,074,336
  4. Step 4: Simplify right side
    1,295,530,128x = 7,958,460,409,237,840,896
  5. Step 5: Solve for x
    x = 7,958,460,409,237,840,896/1,295,530,128
  6. Step 6: Final answer
    x = 6,143,014,536.86

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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.