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Finding the Third Proportional to 163,288.50 and 247,393.50

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Solution

The third proportional to 163,288.50 and 247,393.50 is: 374,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,288.50 : 247,393.50 = 247,393.50 : x
  2. Step 2: Convert to fraction form
    163,288.50/247,393.50 = 247,393.50/x
  3. Step 3: Cross multiply
    163,288.50x = 247,393.50 × 247,393.50
  4. Step 4: Simplify right side
    163,288.50x = 61,203,543,842.25
  5. Step 5: Solve for x
    x = 61,203,543,842.25/163,288.50
  6. Step 6: Final answer
    x = 374,818.46

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.