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Finding the Third Proportional to 40,534 and 86,671

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Solution

The third proportional to 40,534 and 86,671 is: 185,322.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,534 : 86,671 = 86,671 : x
  2. Step 2: Convert to fraction form
    40,534/86,671 = 86,671/x
  3. Step 3: Cross multiply
    40,534x = 86,671 × 86,671
  4. Step 4: Simplify right side
    40,534x = 7,511,862,241
  5. Step 5: Solve for x
    x = 7,511,862,241/40,534
  6. Step 6: Final answer
    x = 185,322.50

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.