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Finding the Third Proportional to 19,561,438 and 28,744,027

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Solution

The third proportional to 19,561,438 and 28,744,027 is: 42,237,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561,438 : 28,744,027 = 28,744,027 : x
  2. Step 2: Convert to fraction form
    19,561,438/28,744,027 = 28,744,027/x
  3. Step 3: Cross multiply
    19,561,438x = 28,744,027 × 28,744,027
  4. Step 4: Simplify right side
    19,561,438x = 826,219,088,176,729
  5. Step 5: Solve for x
    x = 826,219,088,176,729/19,561,438
  6. Step 6: Final answer
    x = 42,237,134.52

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.