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Finding the Third Proportional to 134,809,839 and 290,385,243

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Solution

The third proportional to 134,809,839 and 290,385,243 is: 625,500,260.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,809,839 : 290,385,243 = 290,385,243 : x
  2. Step 2: Convert to fraction form
    134,809,839/290,385,243 = 290,385,243/x
  3. Step 3: Cross multiply
    134,809,839x = 290,385,243 × 290,385,243
  4. Step 4: Simplify right side
    134,809,839x = 84,323,589,352,169,056
  5. Step 5: Solve for x
    x = 84,323,589,352,169,056/134,809,839
  6. Step 6: Final answer
    x = 625,500,260.05

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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.