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Finding the Third Proportional to 292,436,517 and 642,271,956

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Solution

The third proportional to 292,436,517 and 642,271,956 is: 1,410,607,914.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,436,517 : 642,271,956 = 642,271,956 : x
  2. Step 2: Convert to fraction form
    292,436,517/642,271,956 = 642,271,956/x
  3. Step 3: Cross multiply
    292,436,517x = 642,271,956 × 642,271,956
  4. Step 4: Simplify right side
    292,436,517x = 412,513,265,464,065,920
  5. Step 5: Solve for x
    x = 412,513,265,464,065,920/292,436,517
  6. Step 6: Final answer
    x = 1,410,607,914.83

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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.