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Finding the Third Proportional to 18,281 and 39,337

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Solution

The third proportional to 18,281 and 39,337 is: 84,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281 : 39,337 = 39,337 : x
  2. Step 2: Convert to fraction form
    18,281/39,337 = 39,337/x
  3. Step 3: Cross multiply
    18,281x = 39,337 × 39,337
  4. Step 4: Simplify right side
    18,281x = 1,547,399,569
  5. Step 5: Solve for x
    x = 1,547,399,569/18,281
  6. Step 6: Final answer
    x = 84,645.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.