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Finding the Third Proportional to 297,828 and 440,892

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Solution

The third proportional to 297,828 and 440,892 is: 652,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,828 : 440,892 = 440,892 : x
  2. Step 2: Convert to fraction form
    297,828/440,892 = 440,892/x
  3. Step 3: Cross multiply
    297,828x = 440,892 × 440,892
  4. Step 4: Simplify right side
    297,828x = 194,385,755,664
  5. Step 5: Solve for x
    x = 194,385,755,664/297,828
  6. Step 6: Final answer
    x = 652,677.91

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.