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Finding the Third Proportional to 131,618,364 and 285,202,956

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Solution

The third proportional to 131,618,364 and 285,202,956 is: 618,004,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,618,364 : 285,202,956 = 285,202,956 : x
  2. Step 2: Convert to fraction form
    131,618,364/285,202,956 = 285,202,956/x
  3. Step 3: Cross multiply
    131,618,364x = 285,202,956 × 285,202,956
  4. Step 4: Simplify right side
    131,618,364x = 81,340,726,111,137,936
  5. Step 5: Solve for x
    x = 81,340,726,111,137,936/131,618,364
  6. Step 6: Final answer
    x = 618,004,385.10

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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.