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Finding the Third Proportional to 37,359 and 81,243

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Solution

The third proportional to 37,359 and 81,243 is: 176,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,359 : 81,243 = 81,243 : x
  2. Step 2: Convert to fraction form
    37,359/81,243 = 81,243/x
  3. Step 3: Cross multiply
    37,359x = 81,243 × 81,243
  4. Step 4: Simplify right side
    37,359x = 6,600,425,049
  5. Step 5: Solve for x
    x = 6,600,425,049/37,359
  6. Step 6: Final answer
    x = 176,675.64

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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.