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Finding the Third Proportional to 141,896 and 211,611

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Solution

The third proportional to 141,896 and 211,611 is: 315,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,896 : 211,611 = 211,611 : x
  2. Step 2: Convert to fraction form
    141,896/211,611 = 211,611/x
  3. Step 3: Cross multiply
    141,896x = 211,611 × 211,611
  4. Step 4: Simplify right side
    141,896x = 44,779,215,321
  5. Step 5: Solve for x
    x = 44,779,215,321/141,896
  6. Step 6: Final answer
    x = 315,577.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.