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Finding the Third Proportional to 367,452 and 520,089

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Solution

The third proportional to 367,452 and 520,089 is: 736,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,452 : 520,089 = 520,089 : x
  2. Step 2: Convert to fraction form
    367,452/520,089 = 520,089/x
  3. Step 3: Cross multiply
    367,452x = 520,089 × 520,089
  4. Step 4: Simplify right side
    367,452x = 270,492,567,921
  5. Step 5: Solve for x
    x = 270,492,567,921/367,452
  6. Step 6: Final answer
    x = 736,130.35

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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.