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Finding the Third Proportional to 341,279,587 and 515,505,980

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Solution

The third proportional to 341,279,587 and 515,505,980 is: 778,676,561.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,279,587 : 515,505,980 = 515,505,980 : x
  2. Step 2: Convert to fraction form
    341,279,587/515,505,980 = 515,505,980/x
  3. Step 3: Cross multiply
    341,279,587x = 515,505,980 × 515,505,980
  4. Step 4: Simplify right side
    341,279,587x = 265,746,415,415,760,384
  5. Step 5: Solve for x
    x = 265,746,415,415,760,384/341,279,587
  6. Step 6: Final answer
    x = 778,676,561.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.