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Finding the Third Proportional to 3,539,279.81 and 7,753,849.03

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Solution

The third proportional to 3,539,279.81 and 7,753,849.03 is: 16,987,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,279.81 : 7,753,849.03 = 7,753,849.03 : x
  2. Step 2: Convert to fraction form
    3,539,279.81/7,753,849.03 = 7,753,849.03/x
  3. Step 3: Cross multiply
    3,539,279.81x = 7,753,849.03 × 7,753,849.03
  4. Step 4: Simplify right side
    3,539,279.81x = 60,122,174,799,416.56
  5. Step 5: Solve for x
    x = 60,122,174,799,416.56/3,539,279.81
  6. Step 6: Final answer
    x = 16,987,121.10

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.