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Finding the Third Proportional to 103,063.50 and 163,939.50

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Solution

The third proportional to 103,063.50 and 163,939.50 is: 260,772.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,063.50 : 163,939.50 = 163,939.50 : x
  2. Step 2: Convert to fraction form
    103,063.50/163,939.50 = 163,939.50/x
  3. Step 3: Cross multiply
    103,063.50x = 163,939.50 × 163,939.50
  4. Step 4: Simplify right side
    103,063.50x = 26,876,159,660.25
  5. Step 5: Solve for x
    x = 26,876,159,660.25/103,063.50
  6. Step 6: Final answer
    x = 260,772.82

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.