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Finding the Third Proportional to 254,738,939 and 555,592,822

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Solution

The third proportional to 254,738,939 and 555,592,822 is: 1,211,763,639.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,738,939 : 555,592,822 = 555,592,822 : x
  2. Step 2: Convert to fraction form
    254,738,939/555,592,822 = 555,592,822/x
  3. Step 3: Cross multiply
    254,738,939x = 555,592,822 × 555,592,822
  4. Step 4: Simplify right side
    254,738,939x = 308,683,383,857,923,712
  5. Step 5: Solve for x
    x = 308,683,383,857,923,712/254,738,939
  6. Step 6: Final answer
    x = 1,211,763,639.55

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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.