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Finding the Third Proportional to 163,650.25 and 253,988.50

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Solution

The third proportional to 163,650.25 and 253,988.50 is: 394,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,650.25 : 253,988.50 = 253,988.50 : x
  2. Step 2: Convert to fraction form
    163,650.25/253,988.50 = 253,988.50/x
  3. Step 3: Cross multiply
    163,650.25x = 253,988.50 × 253,988.50
  4. Step 4: Simplify right side
    163,650.25x = 64,510,158,132.25
  5. Step 5: Solve for x
    x = 64,510,158,132.25/163,650.25
  6. Step 6: Final answer
    x = 394,195.29

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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.