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Finding the Third Proportional to 31,877,608,804 and 69,760,260,340

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Solution

The third proportional to 31,877,608,804 and 69,760,260,340 is: 152,661,824,562.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,877,608,804 : 69,760,260,340 = 69,760,260,340 : x
  2. Step 2: Convert to fraction form
    31,877,608,804/69,760,260,340 = 69,760,260,340/x
  3. Step 3: Cross multiply
    31,877,608,804x = 69,760,260,340 × 69,760,260,340
  4. Step 4: Simplify right side
    31,877,608,804x = 4,866,493,922,704,576,479,232
  5. Step 5: Solve for x
    x = 4,866,493,922,704,576,479,232/31,877,608,804
  6. Step 6: Final answer
    x = 152,661,824,562.39

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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.