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Finding the Third Proportional to 141,702.75 and 198,109.13

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Solution

The third proportional to 141,702.75 and 198,109.13 is: 276,968.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,702.75 : 198,109.13 = 198,109.13 : x
  2. Step 2: Convert to fraction form
    141,702.75/198,109.13 = 198,109.13/x
  3. Step 3: Cross multiply
    141,702.75x = 198,109.13 × 198,109.13
  4. Step 4: Simplify right side
    141,702.75x = 39,247,225,408.27
  5. Step 5: Solve for x
    x = 39,247,225,408.27/141,702.75
  6. Step 6: Final answer
    x = 276,968.69

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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.