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Finding the Third Proportional to 153,131,694 and 235,374,390

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Solution

The third proportional to 153,131,694 and 235,374,390 is: 361,787,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,131,694 : 235,374,390 = 235,374,390 : x
  2. Step 2: Convert to fraction form
    153,131,694/235,374,390 = 235,374,390/x
  3. Step 3: Cross multiply
    153,131,694x = 235,374,390 × 235,374,390
  4. Step 4: Simplify right side
    153,131,694x = 55,401,103,467,872,096
  5. Step 5: Solve for x
    x = 55,401,103,467,872,096/153,131,694
  6. Step 6: Final answer
    x = 361,787,308.82

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.