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Finding the Third Proportional to 11,707 and 21,752

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Solution

The third proportional to 11,707 and 21,752 is: 40,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,707 : 21,752 = 21,752 : x
  2. Step 2: Convert to fraction form
    11,707/21,752 = 21,752/x
  3. Step 3: Cross multiply
    11,707x = 21,752 × 21,752
  4. Step 4: Simplify right side
    11,707x = 473,149,504
  5. Step 5: Solve for x
    x = 473,149,504/11,707
  6. Step 6: Final answer
    x = 40,415.95

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.