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Finding the Third Proportional to 7,358 and 11,073

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Solution

The third proportional to 7,358 and 11,073 is: 16,663.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358 : 11,073 = 11,073 : x
  2. Step 2: Convert to fraction form
    7,358/11,073 = 11,073/x
  3. Step 3: Cross multiply
    7,358x = 11,073 × 11,073
  4. Step 4: Simplify right side
    7,358x = 122,611,329
  5. Step 5: Solve for x
    x = 122,611,329/7,358
  6. Step 6: Final answer
    x = 16,663.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.