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Finding the Third Proportional to 18,072,352.97 and 39,731,922.56

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Solution

The third proportional to 18,072,352.97 and 39,731,922.56 is: 87,350,312.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,072,352.97 : 39,731,922.56 = 39,731,922.56 : x
  2. Step 2: Convert to fraction form
    18,072,352.97/39,731,922.56 = 39,731,922.56/x
  3. Step 3: Cross multiply
    18,072,352.97x = 39,731,922.56 × 39,731,922.56
  4. Step 4: Simplify right side
    18,072,352.97x = 1,578,625,670,512,496.50
  5. Step 5: Solve for x
    x = 1,578,625,670,512,496.50/18,072,352.97
  6. Step 6: Final answer
    x = 87,350,312.01

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.