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Finding the Third Proportional to 37,020 and 81,246

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Solution

The third proportional to 37,020 and 81,246 is: 178,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,020 : 81,246 = 81,246 : x
  2. Step 2: Convert to fraction form
    37,020/81,246 = 81,246/x
  3. Step 3: Cross multiply
    37,020x = 81,246 × 81,246
  4. Step 4: Simplify right side
    37,020x = 6,600,912,516
  5. Step 5: Solve for x
    x = 6,600,912,516/37,020
  6. Step 6: Final answer
    x = 178,306.66

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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.