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Finding the Third Proportional to 67,309.31 and 104,208.19

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Solution

The third proportional to 67,309.31 and 104,208.19 is: 161,334.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,309.31 : 104,208.19 = 104,208.19 : x
  2. Step 2: Convert to fraction form
    67,309.31/104,208.19 = 104,208.19/x
  3. Step 3: Cross multiply
    67,309.31x = 104,208.19 × 104,208.19
  4. Step 4: Simplify right side
    67,309.31x = 10,859,346,342.04
  5. Step 5: Solve for x
    x = 10,859,346,342.04/67,309.31
  6. Step 6: Final answer
    x = 161,334.98

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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.