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Finding the Third Proportional to 39,386 and 84,956

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Solution

The third proportional to 39,386 and 84,956 is: 183,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,386 : 84,956 = 84,956 : x
  2. Step 2: Convert to fraction form
    39,386/84,956 = 84,956/x
  3. Step 3: Cross multiply
    39,386x = 84,956 × 84,956
  4. Step 4: Simplify right side
    39,386x = 7,217,521,936
  5. Step 5: Solve for x
    x = 7,217,521,936/39,386
  6. Step 6: Final answer
    x = 183,250.95

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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.