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Finding the Third Proportional to 8,440 and 17,726

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Solution

The third proportional to 8,440 and 17,726 is: 37,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440 : 17,726 = 17,726 : x
  2. Step 2: Convert to fraction form
    8,440/17,726 = 17,726/x
  3. Step 3: Cross multiply
    8,440x = 17,726 × 17,726
  4. Step 4: Simplify right side
    8,440x = 314,211,076
  5. Step 5: Solve for x
    x = 314,211,076/8,440
  6. Step 6: Final answer
    x = 37,228.80

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.