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Finding the Third Proportional to 337,942 and 523,090

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Solution

The third proportional to 337,942 and 523,090 is: 809,674.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,942 : 523,090 = 523,090 : x
  2. Step 2: Convert to fraction form
    337,942/523,090 = 523,090/x
  3. Step 3: Cross multiply
    337,942x = 523,090 × 523,090
  4. Step 4: Simplify right side
    337,942x = 273,623,148,100
  5. Step 5: Solve for x
    x = 273,623,148,100/337,942
  6. Step 6: Final answer
    x = 809,674.88

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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.