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Finding the Third Proportional to 69,104,976 and 151,187,904

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Solution

The third proportional to 69,104,976 and 151,187,904 is: 330,768,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,104,976 : 151,187,904 = 151,187,904 : x
  2. Step 2: Convert to fraction form
    69,104,976/151,187,904 = 151,187,904/x
  3. Step 3: Cross multiply
    69,104,976x = 151,187,904 × 151,187,904
  4. Step 4: Simplify right side
    69,104,976x = 22,857,782,315,913,216
  5. Step 5: Solve for x
    x = 22,857,782,315,913,216/69,104,976
  6. Step 6: Final answer
    x = 330,768,978.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.