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Finding the Third Proportional to 40,686 and 61,602.75

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Solution

The third proportional to 40,686 and 61,602.75 is: 93,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686 : 61,602.75 = 61,602.75 : x
  2. Step 2: Convert to fraction form
    40,686/61,602.75 = 61,602.75/x
  3. Step 3: Cross multiply
    40,686x = 61,602.75 × 61,602.75
  4. Step 4: Simplify right side
    40,686x = 3,794,898,807.56
  5. Step 5: Solve for x
    x = 3,794,898,807.56/40,686
  6. Step 6: Final answer
    x = 93,272.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.