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Finding the Third Proportional to 857,714.25 and 1,261,623.38

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Solution

The third proportional to 857,714.25 and 1,261,623.38 is: 1,855,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,714.25 : 1,261,623.38 = 1,261,623.38 : x
  2. Step 2: Convert to fraction form
    857,714.25/1,261,623.38 = 1,261,623.38/x
  3. Step 3: Cross multiply
    857,714.25x = 1,261,623.38 × 1,261,623.38
  4. Step 4: Simplify right side
    857,714.25x = 1,591,693,540,346.39
  5. Step 5: Solve for x
    x = 1,591,693,540,346.39/857,714.25
  6. Step 6: Final answer
    x = 1,855,738.72

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.