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Finding the Third Proportional to 2,912,833.13 and 4,522,609.69

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Solution

The third proportional to 2,912,833.13 and 4,522,609.69 is: 7,022,028.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,833.13 : 4,522,609.69 = 4,522,609.69 : x
  2. Step 2: Convert to fraction form
    2,912,833.13/4,522,609.69 = 4,522,609.69/x
  3. Step 3: Cross multiply
    2,912,833.13x = 4,522,609.69 × 4,522,609.69
  4. Step 4: Simplify right side
    2,912,833.13x = 20,453,998,385,468.85
  5. Step 5: Solve for x
    x = 20,453,998,385,468.85/2,912,833.13
  6. Step 6: Final answer
    x = 7,022,028.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.