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Finding the Third Proportional to 18,243 and 39,334

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Solution

The third proportional to 18,243 and 39,334 is: 84,808.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243 : 39,334 = 39,334 : x
  2. Step 2: Convert to fraction form
    18,243/39,334 = 39,334/x
  3. Step 3: Cross multiply
    18,243x = 39,334 × 39,334
  4. Step 4: Simplify right side
    18,243x = 1,547,163,556
  5. Step 5: Solve for x
    x = 1,547,163,556/18,243
  6. Step 6: Final answer
    x = 84,808.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.