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Finding the Third Proportional to 245,668 and 520,862

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Solution

The third proportional to 245,668 and 520,862 is: 1,104,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,668 : 520,862 = 520,862 : x
  2. Step 2: Convert to fraction form
    245,668/520,862 = 520,862/x
  3. Step 3: Cross multiply
    245,668x = 520,862 × 520,862
  4. Step 4: Simplify right side
    245,668x = 271,297,223,044
  5. Step 5: Solve for x
    x = 271,297,223,044/245,668
  6. Step 6: Final answer
    x = 1,104,324.63

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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.