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Finding the Third Proportional to 172,580,772 and 370,775,689

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Solution

The third proportional to 172,580,772 and 370,775,689 is: 796,581,275.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,580,772 : 370,775,689 = 370,775,689 : x
  2. Step 2: Convert to fraction form
    172,580,772/370,775,689 = 370,775,689/x
  3. Step 3: Cross multiply
    172,580,772x = 370,775,689 × 370,775,689
  4. Step 4: Simplify right side
    172,580,772x = 137,474,611,553,424,720
  5. Step 5: Solve for x
    x = 137,474,611,553,424,720/172,580,772
  6. Step 6: Final answer
    x = 796,581,275.89

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.