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Finding the Third Proportional to 85,114 and 134,711

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Solution

The third proportional to 85,114 and 134,711 is: 213,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,114 : 134,711 = 134,711 : x
  2. Step 2: Convert to fraction form
    85,114/134,711 = 134,711/x
  3. Step 3: Cross multiply
    85,114x = 134,711 × 134,711
  4. Step 4: Simplify right side
    85,114x = 18,147,053,521
  5. Step 5: Solve for x
    x = 18,147,053,521/85,114
  6. Step 6: Final answer
    x = 213,208.80

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.