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Finding the Third Proportional to 141,810,278 and 308,467,180

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Solution

The third proportional to 141,810,278 and 308,467,180 is: 670,980,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810,278 : 308,467,180 = 308,467,180 : x
  2. Step 2: Convert to fraction form
    141,810,278/308,467,180 = 308,467,180/x
  3. Step 3: Cross multiply
    141,810,278x = 308,467,180 × 308,467,180
  4. Step 4: Simplify right side
    141,810,278x = 95,152,001,137,152,400
  5. Step 5: Solve for x
    x = 95,152,001,137,152,400/141,810,278
  6. Step 6: Final answer
    x = 670,980,992.91

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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.