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Finding the Third Proportional to 359,464 and 769,412

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Solution

The third proportional to 359,464 and 769,412 is: 1,646,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,464 : 769,412 = 769,412 : x
  2. Step 2: Convert to fraction form
    359,464/769,412 = 769,412/x
  3. Step 3: Cross multiply
    359,464x = 769,412 × 769,412
  4. Step 4: Simplify right side
    359,464x = 591,994,825,744
  5. Step 5: Solve for x
    x = 591,994,825,744/359,464
  6. Step 6: Final answer
    x = 1,646,882.10

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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.