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Finding the Third Proportional to 43,431 and 94,218.75

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Solution

The third proportional to 43,431 and 94,218.75 is: 204,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,431 : 94,218.75 = 94,218.75 : x
  2. Step 2: Convert to fraction form
    43,431/94,218.75 = 94,218.75/x
  3. Step 3: Cross multiply
    43,431x = 94,218.75 × 94,218.75
  4. Step 4: Simplify right side
    43,431x = 8,877,172,851.56
  5. Step 5: Solve for x
    x = 8,877,172,851.56/43,431
  6. Step 6: Final answer
    x = 204,397.16

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.