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Finding the Third Proportional to 18,953,415 and 27,719,293

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Solution

The third proportional to 18,953,415 and 27,719,293 is: 40,539,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,415 : 27,719,293 = 27,719,293 : x
  2. Step 2: Convert to fraction form
    18,953,415/27,719,293 = 27,719,293/x
  3. Step 3: Cross multiply
    18,953,415x = 27,719,293 × 27,719,293
  4. Step 4: Simplify right side
    18,953,415x = 768,359,204,419,849
  5. Step 5: Solve for x
    x = 768,359,204,419,849/18,953,415
  6. Step 6: Final answer
    x = 40,539,354.22

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.