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Finding the Third Proportional to 19,894 and 43,480

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Solution

The third proportional to 19,894 and 43,480 is: 95,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,894 : 43,480 = 43,480 : x
  2. Step 2: Convert to fraction form
    19,894/43,480 = 43,480/x
  3. Step 3: Cross multiply
    19,894x = 43,480 × 43,480
  4. Step 4: Simplify right side
    19,894x = 1,890,510,400
  5. Step 5: Solve for x
    x = 1,890,510,400/19,894
  6. Step 6: Final answer
    x = 95,029.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.