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Finding the Third Proportional to 38,856 and 85,332

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Solution

The third proportional to 38,856 and 85,332 is: 187,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,856 : 85,332 = 85,332 : x
  2. Step 2: Convert to fraction form
    38,856/85,332 = 85,332/x
  3. Step 3: Cross multiply
    38,856x = 85,332 × 85,332
  4. Step 4: Simplify right side
    38,856x = 7,281,550,224
  5. Step 5: Solve for x
    x = 7,281,550,224/38,856
  6. Step 6: Final answer
    x = 187,398.35

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.