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Finding the Third Proportional to 534,099 and 831,785

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Solution

The third proportional to 534,099 and 831,785 is: 1,295,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,099 : 831,785 = 831,785 : x
  2. Step 2: Convert to fraction form
    534,099/831,785 = 831,785/x
  3. Step 3: Cross multiply
    534,099x = 831,785 × 831,785
  4. Step 4: Simplify right side
    534,099x = 691,866,286,225
  5. Step 5: Solve for x
    x = 691,866,286,225/534,099
  6. Step 6: Final answer
    x = 1,295,389.59

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.