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Finding the Third Proportional to 120,743,801 and 188,290,151

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Solution

The third proportional to 120,743,801 and 188,290,151 is: 293,623,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,743,801 : 188,290,151 = 188,290,151 : x
  2. Step 2: Convert to fraction form
    120,743,801/188,290,151 = 188,290,151/x
  3. Step 3: Cross multiply
    120,743,801x = 188,290,151 × 188,290,151
  4. Step 4: Simplify right side
    120,743,801x = 35,453,180,963,602,800
  5. Step 5: Solve for x
    x = 35,453,180,963,602,800/120,743,801
  6. Step 6: Final answer
    x = 293,623,197.80

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.