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Finding the Third Proportional to 141,703.50 and 198,109.50

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Solution

The third proportional to 141,703.50 and 198,109.50 is: 276,968.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.50 : 198,109.50 = 198,109.50 : x
  2. Step 2: Convert to fraction form
    141,703.50/198,109.50 = 198,109.50/x
  3. Step 3: Cross multiply
    141,703.50x = 198,109.50 × 198,109.50
  4. Step 4: Simplify right side
    141,703.50x = 39,247,373,990.25
  5. Step 5: Solve for x
    x = 39,247,373,990.25/141,703.50
  6. Step 6: Final answer
    x = 276,968.28

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.