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Finding the Third Proportional to 37,070 and 81,164

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Solution

The third proportional to 37,070 and 81,164 is: 177,706.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,070 : 81,164 = 81,164 : x
  2. Step 2: Convert to fraction form
    37,070/81,164 = 81,164/x
  3. Step 3: Cross multiply
    37,070x = 81,164 × 81,164
  4. Step 4: Simplify right side
    37,070x = 6,587,594,896
  5. Step 5: Solve for x
    x = 6,587,594,896/37,070
  6. Step 6: Final answer
    x = 177,706.90

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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.