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Finding the Third Proportional to 367,412 and 520,032

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Solution

The third proportional to 367,412 and 520,032 is: 736,049.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,412 : 520,032 = 520,032 : x
  2. Step 2: Convert to fraction form
    367,412/520,032 = 520,032/x
  3. Step 3: Cross multiply
    367,412x = 520,032 × 520,032
  4. Step 4: Simplify right side
    367,412x = 270,433,281,024
  5. Step 5: Solve for x
    x = 270,433,281,024/367,412
  6. Step 6: Final answer
    x = 736,049.12

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.