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Finding the Third Proportional to 43,170 and 67,473

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Solution

The third proportional to 43,170 and 67,473 is: 105,457.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170 : 67,473 = 67,473 : x
  2. Step 2: Convert to fraction form
    43,170/67,473 = 67,473/x
  3. Step 3: Cross multiply
    43,170x = 67,473 × 67,473
  4. Step 4: Simplify right side
    43,170x = 4,552,605,729
  5. Step 5: Solve for x
    x = 4,552,605,729/43,170
  6. Step 6: Final answer
    x = 105,457.63

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.