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Finding the Third Proportional to 37,862 and 79,649

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Solution

The third proportional to 37,862 and 79,649 is: 167,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,862 : 79,649 = 79,649 : x
  2. Step 2: Convert to fraction form
    37,862/79,649 = 79,649/x
  3. Step 3: Cross multiply
    37,862x = 79,649 × 79,649
  4. Step 4: Simplify right side
    37,862x = 6,343,963,201
  5. Step 5: Solve for x
    x = 6,343,963,201/37,862
  6. Step 6: Final answer
    x = 167,554.89

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.