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Finding the Third Proportional to 45,128,066 and 68,750,211

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Solution

The third proportional to 45,128,066 and 68,750,211 is: 104,737,293.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,128,066 : 68,750,211 = 68,750,211 : x
  2. Step 2: Convert to fraction form
    45,128,066/68,750,211 = 68,750,211/x
  3. Step 3: Cross multiply
    45,128,066x = 68,750,211 × 68,750,211
  4. Step 4: Simplify right side
    45,128,066x = 4,726,591,512,544,521
  5. Step 5: Solve for x
    x = 4,726,591,512,544,521/45,128,066
  6. Step 6: Final answer
    x = 104,737,293.92

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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.