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Finding the Third Proportional to 240,120 and 520,950

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Solution

The third proportional to 240,120 and 520,950 is: 1,130,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,120 : 520,950 = 520,950 : x
  2. Step 2: Convert to fraction form
    240,120/520,950 = 520,950/x
  3. Step 3: Cross multiply
    240,120x = 520,950 × 520,950
  4. Step 4: Simplify right side
    240,120x = 271,388,902,500
  5. Step 5: Solve for x
    x = 271,388,902,500/240,120
  6. Step 6: Final answer
    x = 1,130,221.98

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.