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Finding the Third Proportional to 3,276,679.63 and 4,915,019.88

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Solution

The third proportional to 3,276,679.63 and 4,915,019.88 is: 7,372,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276,679.63 : 4,915,019.88 = 4,915,019.88 : x
  2. Step 2: Convert to fraction form
    3,276,679.63/4,915,019.88 = 4,915,019.88/x
  3. Step 3: Cross multiply
    3,276,679.63x = 4,915,019.88 × 4,915,019.88
  4. Step 4: Simplify right side
    3,276,679.63x = 24,157,420,371,645.02
  5. Step 5: Solve for x
    x = 24,157,420,371,645.02/3,276,679.63
  6. Step 6: Final answer
    x = 7,372,530.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.