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Finding the Third Proportional to 12,160 and 17,408

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Solution

The third proportional to 12,160 and 17,408 is: 24,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,160 : 17,408 = 17,408 : x
  2. Step 2: Convert to fraction form
    12,160/17,408 = 17,408/x
  3. Step 3: Cross multiply
    12,160x = 17,408 × 17,408
  4. Step 4: Simplify right side
    12,160x = 303,038,464
  5. Step 5: Solve for x
    x = 303,038,464/12,160
  6. Step 6: Final answer
    x = 24,920.93

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.