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Finding the Third Proportional to 163,111.50 and 330,833.25

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Solution

The third proportional to 163,111.50 and 330,833.25 is: 671,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,111.50 : 330,833.25 = 330,833.25 : x
  2. Step 2: Convert to fraction form
    163,111.50/330,833.25 = 330,833.25/x
  3. Step 3: Cross multiply
    163,111.50x = 330,833.25 × 330,833.25
  4. Step 4: Simplify right side
    163,111.50x = 109,450,639,305.56
  5. Step 5: Solve for x
    x = 109,450,639,305.56/163,111.50
  6. Step 6: Final answer
    x = 671,017.31

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.