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Finding the Third Proportional to 621,055 and 934,692

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Solution

The third proportional to 621,055 and 934,692 is: 1,406,717.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,055 : 934,692 = 934,692 : x
  2. Step 2: Convert to fraction form
    621,055/934,692 = 934,692/x
  3. Step 3: Cross multiply
    621,055x = 934,692 × 934,692
  4. Step 4: Simplify right side
    621,055x = 873,649,134,864
  5. Step 5: Solve for x
    x = 873,649,134,864/621,055
  6. Step 6: Final answer
    x = 1,406,717.82

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.