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Finding the Third Proportional to 134,809,851 and 290,385,267

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Solution

The third proportional to 134,809,851 and 290,385,267 is: 625,500,307.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,809,851 : 290,385,267 = 290,385,267 : x
  2. Step 2: Convert to fraction form
    134,809,851/290,385,267 = 290,385,267/x
  3. Step 3: Cross multiply
    134,809,851x = 290,385,267 × 290,385,267
  4. Step 4: Simplify right side
    134,809,851x = 84,323,603,290,661,296
  5. Step 5: Solve for x
    x = 84,323,603,290,661,296/134,809,851
  6. Step 6: Final answer
    x = 625,500,307.77

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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.