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Finding the Third Proportional to 120,386,317 and 183,396,116

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Solution

The third proportional to 120,386,317 and 183,396,116 is: 279,385,034.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,386,317 : 183,396,116 = 183,396,116 : x
  2. Step 2: Convert to fraction form
    120,386,317/183,396,116 = 183,396,116/x
  3. Step 3: Cross multiply
    120,386,317x = 183,396,116 × 183,396,116
  4. Step 4: Simplify right side
    120,386,317x = 33,634,135,363,885,456
  5. Step 5: Solve for x
    x = 33,634,135,363,885,456/120,386,317
  6. Step 6: Final answer
    x = 279,385,034.79

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.