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Finding the Third Proportional to 83,281 and 118,693

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Solution

The third proportional to 83,281 and 118,693 is: 169,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,281 : 118,693 = 118,693 : x
  2. Step 2: Convert to fraction form
    83,281/118,693 = 118,693/x
  3. Step 3: Cross multiply
    83,281x = 118,693 × 118,693
  4. Step 4: Simplify right side
    83,281x = 14,088,028,249
  5. Step 5: Solve for x
    x = 14,088,028,249/83,281
  6. Step 6: Final answer
    x = 169,162.57

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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.