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Finding the Third Proportional to 19,031,400 and 28,463,958

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Solution

The third proportional to 19,031,400 and 28,463,958 is: 42,571,587.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,031,400 : 28,463,958 = 28,463,958 : x
  2. Step 2: Convert to fraction form
    19,031,400/28,463,958 = 28,463,958/x
  3. Step 3: Cross multiply
    19,031,400x = 28,463,958 × 28,463,958
  4. Step 4: Simplify right side
    19,031,400x = 810,196,905,025,764
  5. Step 5: Solve for x
    x = 810,196,905,025,764/19,031,400
  6. Step 6: Final answer
    x = 42,571,587.22

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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.