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Finding the Third Proportional to 13,667,738 and 30,121,396

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Solution

The third proportional to 13,667,738 and 30,121,396 is: 66,382,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,738 : 30,121,396 = 30,121,396 : x
  2. Step 2: Convert to fraction form
    13,667,738/30,121,396 = 30,121,396/x
  3. Step 3: Cross multiply
    13,667,738x = 30,121,396 × 30,121,396
  4. Step 4: Simplify right side
    13,667,738x = 907,298,496,988,816
  5. Step 5: Solve for x
    x = 907,298,496,988,816/13,667,738
  6. Step 6: Final answer
    x = 66,382,491.16

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.