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Finding the Third Proportional to 21,358 and 44,354

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Solution

The third proportional to 21,358 and 44,354 is: 92,109.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358 : 44,354 = 44,354 : x
  2. Step 2: Convert to fraction form
    21,358/44,354 = 44,354/x
  3. Step 3: Cross multiply
    21,358x = 44,354 × 44,354
  4. Step 4: Simplify right side
    21,358x = 1,967,277,316
  5. Step 5: Solve for x
    x = 1,967,277,316/21,358
  6. Step 6: Final answer
    x = 92,109.62

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.