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Finding the Third Proportional to 92,375,211 and 129,145,989

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Solution

The third proportional to 92,375,211 and 129,145,989 is: 180,553,703.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,375,211 : 129,145,989 = 129,145,989 : x
  2. Step 2: Convert to fraction form
    92,375,211/129,145,989 = 129,145,989/x
  3. Step 3: Cross multiply
    92,375,211x = 129,145,989 × 129,145,989
  4. Step 4: Simplify right side
    92,375,211x = 16,678,686,474,788,120
  5. Step 5: Solve for x
    x = 16,678,686,474,788,120/92,375,211
  6. Step 6: Final answer
    x = 180,553,703.69

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.