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Finding the Third Proportional to 395,087.63 and 878,855.06

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Solution

The third proportional to 395,087.63 and 878,855.06 is: 1,954,974.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,087.63 : 878,855.06 = 878,855.06 : x
  2. Step 2: Convert to fraction form
    395,087.63/878,855.06 = 878,855.06/x
  3. Step 3: Cross multiply
    395,087.63x = 878,855.06 × 878,855.06
  4. Step 4: Simplify right side
    395,087.63x = 772,386,220,881.88
  5. Step 5: Solve for x
    x = 772,386,220,881.88/395,087.63
  6. Step 6: Final answer
    x = 1,954,974.47

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.