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Finding the Third Proportional to 274,722 and 578,964

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Solution

The third proportional to 274,722 and 578,964 is: 1,220,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,722 : 578,964 = 578,964 : x
  2. Step 2: Convert to fraction form
    274,722/578,964 = 578,964/x
  3. Step 3: Cross multiply
    274,722x = 578,964 × 578,964
  4. Step 4: Simplify right side
    274,722x = 335,199,313,296
  5. Step 5: Solve for x
    x = 335,199,313,296/274,722
  6. Step 6: Final answer
    x = 1,220,140.04

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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.