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Finding the Third Proportional to 2,028,419.72 and 2,900,451.80

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Solution

The third proportional to 2,028,419.72 and 2,900,451.80 is: 4,147,376.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,419.72 : 2,900,451.80 = 2,900,451.80 : x
  2. Step 2: Convert to fraction form
    2,028,419.72/2,900,451.80 = 2,900,451.80/x
  3. Step 3: Cross multiply
    2,028,419.72x = 2,900,451.80 × 2,900,451.80
  4. Step 4: Simplify right side
    2,028,419.72x = 8,412,620,625,995.42
  5. Step 5: Solve for x
    x = 8,412,620,625,995.42/2,028,419.72
  6. Step 6: Final answer
    x = 4,147,376.67

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.