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Finding the Third Proportional to 86,217 and 126,042.75

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Solution

The third proportional to 86,217 and 126,042.75 is: 184,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,217 : 126,042.75 = 126,042.75 : x
  2. Step 2: Convert to fraction form
    86,217/126,042.75 = 126,042.75/x
  3. Step 3: Cross multiply
    86,217x = 126,042.75 × 126,042.75
  4. Step 4: Simplify right side
    86,217x = 15,886,774,827.56
  5. Step 5: Solve for x
    x = 15,886,774,827.56/86,217
  6. Step 6: Final answer
    x = 184,264.99

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.