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Finding the Third Proportional to 377,456 and 579,288

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Solution

The third proportional to 377,456 and 579,288 is: 889,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,456 : 579,288 = 579,288 : x
  2. Step 2: Convert to fraction form
    377,456/579,288 = 579,288/x
  3. Step 3: Cross multiply
    377,456x = 579,288 × 579,288
  4. Step 4: Simplify right side
    377,456x = 335,574,586,944
  5. Step 5: Solve for x
    x = 335,574,586,944/377,456
  6. Step 6: Final answer
    x = 889,042.93

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.