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Finding the Third Proportional to 5,415 and 9,546

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Solution

The third proportional to 5,415 and 9,546 is: 16,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415 : 9,546 = 9,546 : x
  2. Step 2: Convert to fraction form
    5,415/9,546 = 9,546/x
  3. Step 3: Cross multiply
    5,415x = 9,546 × 9,546
  4. Step 4: Simplify right side
    5,415x = 91,126,116
  5. Step 5: Solve for x
    x = 91,126,116/5,415
  6. Step 6: Final answer
    x = 16,828.46

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.