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Finding the Third Proportional to 72,187,791 and 150,324,222

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Solution

The third proportional to 72,187,791 and 150,324,222 is: 313,035,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187,791 : 150,324,222 = 150,324,222 : x
  2. Step 2: Convert to fraction form
    72,187,791/150,324,222 = 150,324,222/x
  3. Step 3: Cross multiply
    72,187,791x = 150,324,222 × 150,324,222
  4. Step 4: Simplify right side
    72,187,791x = 22,597,371,719,905,284
  5. Step 5: Solve for x
    x = 22,597,371,719,905,284/72,187,791
  6. Step 6: Final answer
    x = 313,035,922.10

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.