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Finding the Third Proportional to 83,740 and 119,383

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Solution

The third proportional to 83,740 and 119,383 is: 170,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,740 : 119,383 = 119,383 : x
  2. Step 2: Convert to fraction form
    83,740/119,383 = 119,383/x
  3. Step 3: Cross multiply
    83,740x = 119,383 × 119,383
  4. Step 4: Simplify right side
    83,740x = 14,252,300,689
  5. Step 5: Solve for x
    x = 14,252,300,689/83,740
  6. Step 6: Final answer
    x = 170,197.05

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.