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Finding the Third Proportional to 13,908,048 and 21,275,415

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Solution

The third proportional to 13,908,048 and 21,275,415 is: 32,545,421.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,048 : 21,275,415 = 21,275,415 : x
  2. Step 2: Convert to fraction form
    13,908,048/21,275,415 = 21,275,415/x
  3. Step 3: Cross multiply
    13,908,048x = 21,275,415 × 21,275,415
  4. Step 4: Simplify right side
    13,908,048x = 452,643,283,422,225
  5. Step 5: Solve for x
    x = 452,643,283,422,225/13,908,048
  6. Step 6: Final answer
    x = 32,545,421.43

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.