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Finding the Third Proportional to 17,310 and 38,508

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Solution

The third proportional to 17,310 and 38,508 is: 85,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,310 : 38,508 = 38,508 : x
  2. Step 2: Convert to fraction form
    17,310/38,508 = 38,508/x
  3. Step 3: Cross multiply
    17,310x = 38,508 × 38,508
  4. Step 4: Simplify right side
    17,310x = 1,482,866,064
  5. Step 5: Solve for x
    x = 1,482,866,064/17,310
  6. Step 6: Final answer
    x = 85,665.28

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.