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Finding the Third Proportional to 667,890 and 1,034,343

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Solution

The third proportional to 667,890 and 1,034,343 is: 1,601,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,890 : 1,034,343 = 1,034,343 : x
  2. Step 2: Convert to fraction form
    667,890/1,034,343 = 1,034,343/x
  3. Step 3: Cross multiply
    667,890x = 1,034,343 × 1,034,343
  4. Step 4: Simplify right side
    667,890x = 1,069,865,441,649
  5. Step 5: Solve for x
    x = 1,069,865,441,649/667,890
  6. Step 6: Final answer
    x = 1,601,858.75

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.