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Finding the Third Proportional to 131,183,581 and 287,079,270

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Solution

The third proportional to 131,183,581 and 287,079,270 is: 628,237,974.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,183,581 : 287,079,270 = 287,079,270 : x
  2. Step 2: Convert to fraction form
    131,183,581/287,079,270 = 287,079,270/x
  3. Step 3: Cross multiply
    131,183,581x = 287,079,270 × 287,079,270
  4. Step 4: Simplify right side
    131,183,581x = 82,414,507,263,732,896
  5. Step 5: Solve for x
    x = 82,414,507,263,732,896/131,183,581
  6. Step 6: Final answer
    x = 628,237,974.87

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.