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Finding the Third Proportional to 245,667 and 520,857

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Solution

The third proportional to 245,667 and 520,857 is: 1,104,307.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,667 : 520,857 = 520,857 : x
  2. Step 2: Convert to fraction form
    245,667/520,857 = 520,857/x
  3. Step 3: Cross multiply
    245,667x = 520,857 × 520,857
  4. Step 4: Simplify right side
    245,667x = 271,292,014,449
  5. Step 5: Solve for x
    x = 271,292,014,449/245,667
  6. Step 6: Final answer
    x = 1,104,307.92

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.