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Finding the Third Proportional to 130,425 and 198,375.75

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Solution

The third proportional to 130,425 and 198,375.75 is: 301,728.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,425 : 198,375.75 = 198,375.75 : x
  2. Step 2: Convert to fraction form
    130,425/198,375.75 = 198,375.75/x
  3. Step 3: Cross multiply
    130,425x = 198,375.75 × 198,375.75
  4. Step 4: Simplify right side
    130,425x = 39,352,938,188.06
  5. Step 5: Solve for x
    x = 39,352,938,188.06/130,425
  6. Step 6: Final answer
    x = 301,728.49

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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.