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Finding the Third Proportional to 16,121.50 and 24,901.50

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Solution

The third proportional to 16,121.50 and 24,901.50 is: 38,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.50 : 24,901.50 = 24,901.50 : x
  2. Step 2: Convert to fraction form
    16,121.50/24,901.50 = 24,901.50/x
  3. Step 3: Cross multiply
    16,121.50x = 24,901.50 × 24,901.50
  4. Step 4: Simplify right side
    16,121.50x = 620,084,702.25
  5. Step 5: Solve for x
    x = 620,084,702.25/16,121.50
  6. Step 6: Final answer
    x = 38,463.21

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.