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Finding the Third Proportional to 13,211,419 and 18,604,672

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Solution

The third proportional to 13,211,419 and 18,604,672 is: 26,199,594.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211,419 : 18,604,672 = 18,604,672 : x
  2. Step 2: Convert to fraction form
    13,211,419/18,604,672 = 18,604,672/x
  3. Step 3: Cross multiply
    13,211,419x = 18,604,672 × 18,604,672
  4. Step 4: Simplify right side
    13,211,419x = 346,133,820,227,584
  5. Step 5: Solve for x
    x = 346,133,820,227,584/13,211,419
  6. Step 6: Final answer
    x = 26,199,594.47

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.