Home / 5,517,821.25-11,878,935.75

Finding the Third Proportional to 5,517,821.25 and 11,878,935.75

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Solution

The third proportional to 5,517,821.25 and 11,878,935.75 is: 25,573,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517,821.25 : 11,878,935.75 = 11,878,935.75 : x
  2. Step 2: Convert to fraction form
    5,517,821.25/11,878,935.75 = 11,878,935.75/x
  3. Step 3: Cross multiply
    5,517,821.25x = 11,878,935.75 × 11,878,935.75
  4. Step 4: Simplify right side
    5,517,821.25x = 141,109,114,552,628.06
  5. Step 5: Solve for x
    x = 141,109,114,552,628.06/5,517,821.25
  6. Step 6: Final answer
    x = 25,573,339.21

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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.