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Finding the Third Proportional to 359,742 and 769,329

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Solution

The third proportional to 359,742 and 769,329 is: 1,645,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,742 : 769,329 = 769,329 : x
  2. Step 2: Convert to fraction form
    359,742/769,329 = 769,329/x
  3. Step 3: Cross multiply
    359,742x = 769,329 × 769,329
  4. Step 4: Simplify right side
    359,742x = 591,867,110,241
  5. Step 5: Solve for x
    x = 591,867,110,241/359,742
  6. Step 6: Final answer
    x = 1,645,254.41

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.