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Finding the Third Proportional to 86,424,972 and 133,777,958

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Solution

The third proportional to 86,424,972 and 133,777,958 is: 207,076,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,424,972 : 133,777,958 = 133,777,958 : x
  2. Step 2: Convert to fraction form
    86,424,972/133,777,958 = 133,777,958/x
  3. Step 3: Cross multiply
    86,424,972x = 133,777,958 × 133,777,958
  4. Step 4: Simplify right side
    86,424,972x = 17,896,542,046,649,764
  5. Step 5: Solve for x
    x = 17,896,542,046,649,764/86,424,972
  6. Step 6: Final answer
    x = 207,076,052.59

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.