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Finding the Third Proportional to 18,672 and 43,304

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Solution

The third proportional to 18,672 and 43,304 is: 100,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,672 : 43,304 = 43,304 : x
  2. Step 2: Convert to fraction form
    18,672/43,304 = 43,304/x
  3. Step 3: Cross multiply
    18,672x = 43,304 × 43,304
  4. Step 4: Simplify right side
    18,672x = 1,875,236,416
  5. Step 5: Solve for x
    x = 1,875,236,416/18,672
  6. Step 6: Final answer
    x = 100,430.40

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.