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Finding the Third Proportional to 45,481,972.50 and 98,624,999.25

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Solution

The third proportional to 45,481,972.50 and 98,624,999.25 is: 213,862,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,481,972.50 : 98,624,999.25 = 98,624,999.25 : x
  2. Step 2: Convert to fraction form
    45,481,972.50/98,624,999.25 = 98,624,999.25/x
  3. Step 3: Cross multiply
    45,481,972.50x = 98,624,999.25 × 98,624,999.25
  4. Step 4: Simplify right side
    45,481,972.50x = 9,726,890,477,062,500
  5. Step 5: Solve for x
    x = 9,726,890,477,062,500/45,481,972.50
  6. Step 6: Final answer
    x = 213,862,546.90

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.