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Finding the Third Proportional to 125,245.50 and 193,702.50

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Solution

The third proportional to 125,245.50 and 193,702.50 is: 299,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,245.50 : 193,702.50 = 193,702.50 : x
  2. Step 2: Convert to fraction form
    125,245.50/193,702.50 = 193,702.50/x
  3. Step 3: Cross multiply
    125,245.50x = 193,702.50 × 193,702.50
  4. Step 4: Simplify right side
    125,245.50x = 37,520,658,506.25
  5. Step 5: Solve for x
    x = 37,520,658,506.25/125,245.50
  6. Step 6: Final answer
    x = 299,576.90

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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.