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Finding the Third Proportional to 139,840,062 and 211,701,177

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Solution

The third proportional to 139,840,062 and 211,701,177 is: 320,490,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,840,062 : 211,701,177 = 211,701,177 : x
  2. Step 2: Convert to fraction form
    139,840,062/211,701,177 = 211,701,177/x
  3. Step 3: Cross multiply
    139,840,062x = 211,701,177 × 211,701,177
  4. Step 4: Simplify right side
    139,840,062x = 44,817,388,343,185,328
  5. Step 5: Solve for x
    x = 44,817,388,343,185,328/139,840,062
  6. Step 6: Final answer
    x = 320,490,335.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.