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Finding the Third Proportional to 395,016 and 875,445

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Solution

The third proportional to 395,016 and 875,445 is: 1,940,184.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,016 : 875,445 = 875,445 : x
  2. Step 2: Convert to fraction form
    395,016/875,445 = 875,445/x
  3. Step 3: Cross multiply
    395,016x = 875,445 × 875,445
  4. Step 4: Simplify right side
    395,016x = 766,403,948,025
  5. Step 5: Solve for x
    x = 766,403,948,025/395,016
  6. Step 6: Final answer
    x = 1,940,184.57

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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.