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Finding the Third Proportional to 86,601 and 129,901.50

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Solution

The third proportional to 86,601 and 129,901.50 is: 194,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,601 : 129,901.50 = 129,901.50 : x
  2. Step 2: Convert to fraction form
    86,601/129,901.50 = 129,901.50/x
  3. Step 3: Cross multiply
    86,601x = 129,901.50 × 129,901.50
  4. Step 4: Simplify right side
    86,601x = 16,874,399,702.25
  5. Step 5: Solve for x
    x = 16,874,399,702.25/86,601
  6. Step 6: Final answer
    x = 194,852.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.