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Finding the Third Proportional to 377,379 and 824,742

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Solution

The third proportional to 377,379 and 824,742 is: 1,802,430.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,379 : 824,742 = 824,742 : x
  2. Step 2: Convert to fraction form
    377,379/824,742 = 824,742/x
  3. Step 3: Cross multiply
    377,379x = 824,742 × 824,742
  4. Step 4: Simplify right side
    377,379x = 680,199,366,564
  5. Step 5: Solve for x
    x = 680,199,366,564/377,379
  6. Step 6: Final answer
    x = 1,802,430.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.