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Finding the Third Proportional to 40,431 and 86,405.25

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Solution

The third proportional to 40,431 and 86,405.25 is: 184,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,431 : 86,405.25 = 86,405.25 : x
  2. Step 2: Convert to fraction form
    40,431/86,405.25 = 86,405.25/x
  3. Step 3: Cross multiply
    40,431x = 86,405.25 × 86,405.25
  4. Step 4: Simplify right side
    40,431x = 7,465,867,227.56
  5. Step 5: Solve for x
    x = 7,465,867,227.56/40,431
  6. Step 6: Final answer
    x = 184,657.00

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.