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Finding the Third Proportional to 19,388,158.50 and 28,707,891

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Solution

The third proportional to 19,388,158.50 and 28,707,891 is: 42,507,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,388,158.50 : 28,707,891 = 28,707,891 : x
  2. Step 2: Convert to fraction form
    19,388,158.50/28,707,891 = 28,707,891/x
  3. Step 3: Cross multiply
    19,388,158.50x = 28,707,891 × 28,707,891
  4. Step 4: Simplify right side
    19,388,158.50x = 824,143,005,667,881
  5. Step 5: Solve for x
    x = 824,143,005,667,881/19,388,158.50
  6. Step 6: Final answer
    x = 42,507,544.27

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.