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Finding the Third Proportional to 18,313,614.50 and 38,134,362.50

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Solution

The third proportional to 18,313,614.50 and 38,134,362.50 is: 79,407,022.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,313,614.50 : 38,134,362.50 = 38,134,362.50 : x
  2. Step 2: Convert to fraction form
    18,313,614.50/38,134,362.50 = 38,134,362.50/x
  3. Step 3: Cross multiply
    18,313,614.50x = 38,134,362.50 × 38,134,362.50
  4. Step 4: Simplify right side
    18,313,614.50x = 1,454,229,603,281,406.25
  5. Step 5: Solve for x
    x = 1,454,229,603,281,406.25/18,313,614.50
  6. Step 6: Final answer
    x = 79,407,022.75

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.