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Finding the Third Proportional to 170,685.75 and 245,866.50

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Solution

The third proportional to 170,685.75 and 245,866.50 is: 354,161.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,685.75 : 245,866.50 = 245,866.50 : x
  2. Step 2: Convert to fraction form
    170,685.75/245,866.50 = 245,866.50/x
  3. Step 3: Cross multiply
    170,685.75x = 245,866.50 × 245,866.50
  4. Step 4: Simplify right side
    170,685.75x = 60,450,335,822.25
  5. Step 5: Solve for x
    x = 60,450,335,822.25/170,685.75
  6. Step 6: Final answer
    x = 354,161.59

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.