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Finding the Third Proportional to 38,916 and 84,294

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Solution

The third proportional to 38,916 and 84,294 is: 182,585.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916 : 84,294 = 84,294 : x
  2. Step 2: Convert to fraction form
    38,916/84,294 = 84,294/x
  3. Step 3: Cross multiply
    38,916x = 84,294 × 84,294
  4. Step 4: Simplify right side
    38,916x = 7,105,478,436
  5. Step 5: Solve for x
    x = 7,105,478,436/38,916
  6. Step 6: Final answer
    x = 182,585.01

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.