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Finding the Third Proportional to 361,120 and 768,897

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Solution

The third proportional to 361,120 and 768,897 is: 1,637,136.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,120 : 768,897 = 768,897 : x
  2. Step 2: Convert to fraction form
    361,120/768,897 = 768,897/x
  3. Step 3: Cross multiply
    361,120x = 768,897 × 768,897
  4. Step 4: Simplify right side
    361,120x = 591,202,596,609
  5. Step 5: Solve for x
    x = 591,202,596,609/361,120
  6. Step 6: Final answer
    x = 1,637,136.12

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.