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Finding the Third Proportional to 178,782,648 and 273,372,228

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Solution

The third proportional to 178,782,648 and 273,372,228 is: 418,006,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,782,648 : 273,372,228 = 273,372,228 : x
  2. Step 2: Convert to fraction form
    178,782,648/273,372,228 = 273,372,228/x
  3. Step 3: Cross multiply
    178,782,648x = 273,372,228 × 273,372,228
  4. Step 4: Simplify right side
    178,782,648x = 74,732,375,041,683,984
  5. Step 5: Solve for x
    x = 74,732,375,041,683,984/178,782,648
  6. Step 6: Final answer
    x = 418,006,869.67

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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.