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Finding the Third Proportional to 28,726,728 and 61,434,765

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Solution

The third proportional to 28,726,728 and 61,434,765 is: 131,383,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,728 : 61,434,765 = 61,434,765 : x
  2. Step 2: Convert to fraction form
    28,726,728/61,434,765 = 61,434,765/x
  3. Step 3: Cross multiply
    28,726,728x = 61,434,765 × 61,434,765
  4. Step 4: Simplify right side
    28,726,728x = 3,774,230,350,605,225
  5. Step 5: Solve for x
    x = 3,774,230,350,605,225/28,726,728
  6. Step 6: Final answer
    x = 131,383,927.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.