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Finding the Third Proportional to 85,835 and 132,641

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Solution

The third proportional to 85,835 and 132,641 is: 204,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,835 : 132,641 = 132,641 : x
  2. Step 2: Convert to fraction form
    85,835/132,641 = 132,641/x
  3. Step 3: Cross multiply
    85,835x = 132,641 × 132,641
  4. Step 4: Simplify right side
    85,835x = 17,593,634,881
  5. Step 5: Solve for x
    x = 17,593,634,881/85,835
  6. Step 6: Final answer
    x = 204,970.41

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.