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Finding the Third Proportional to 40,070 and 86,026

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Solution

The third proportional to 40,070 and 86,026 is: 184,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,070 : 86,026 = 86,026 : x
  2. Step 2: Convert to fraction form
    40,070/86,026 = 86,026/x
  3. Step 3: Cross multiply
    40,070x = 86,026 × 86,026
  4. Step 4: Simplify right side
    40,070x = 7,400,472,676
  5. Step 5: Solve for x
    x = 7,400,472,676/40,070
  6. Step 6: Final answer
    x = 184,688.61

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.