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Finding the Third Proportional to 439,539 and 902,379

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Solution

The third proportional to 439,539 and 902,379 is: 1,852,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,539 : 902,379 = 902,379 : x
  2. Step 2: Convert to fraction form
    439,539/902,379 = 902,379/x
  3. Step 3: Cross multiply
    439,539x = 902,379 × 902,379
  4. Step 4: Simplify right side
    439,539x = 814,287,859,641
  5. Step 5: Solve for x
    x = 814,287,859,641/439,539
  6. Step 6: Final answer
    x = 1,852,595.24

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.