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Finding the Third Proportional to 11,358 and 17,397

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Solution

The third proportional to 11,358 and 17,397 is: 26,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358 : 17,397 = 17,397 : x
  2. Step 2: Convert to fraction form
    11,358/17,397 = 17,397/x
  3. Step 3: Cross multiply
    11,358x = 17,397 × 17,397
  4. Step 4: Simplify right side
    11,358x = 302,655,609
  5. Step 5: Solve for x
    x = 302,655,609/11,358
  6. Step 6: Final answer
    x = 26,646.91

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.