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Finding the Third Proportional to 179,028 and 386,088

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Solution

The third proportional to 179,028 and 386,088 is: 832,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,028 : 386,088 = 386,088 : x
  2. Step 2: Convert to fraction form
    179,028/386,088 = 386,088/x
  3. Step 3: Cross multiply
    179,028x = 386,088 × 386,088
  4. Step 4: Simplify right side
    179,028x = 149,063,943,744
  5. Step 5: Solve for x
    x = 149,063,943,744/179,028
  6. Step 6: Final answer
    x = 832,629.22

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.