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Finding the Third Proportional to 60,852 and 81,900

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Solution

The third proportional to 60,852 and 81,900 is: 110,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,852 : 81,900 = 81,900 : x
  2. Step 2: Convert to fraction form
    60,852/81,900 = 81,900/x
  3. Step 3: Cross multiply
    60,852x = 81,900 × 81,900
  4. Step 4: Simplify right side
    60,852x = 6,707,610,000
  5. Step 5: Solve for x
    x = 6,707,610,000/60,852
  6. Step 6: Final answer
    x = 110,228.26

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.