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Finding the Third Proportional to 274,752 and 579,520

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Solution

The third proportional to 274,752 and 579,520 is: 1,222,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,752 : 579,520 = 579,520 : x
  2. Step 2: Convert to fraction form
    274,752/579,520 = 579,520/x
  3. Step 3: Cross multiply
    274,752x = 579,520 × 579,520
  4. Step 4: Simplify right side
    274,752x = 335,843,430,400
  5. Step 5: Solve for x
    x = 335,843,430,400/274,752
  6. Step 6: Final answer
    x = 1,222,351.18

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.