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Finding the Third Proportional to 74,682.75 and 118,313.63

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Solution

The third proportional to 74,682.75 and 118,313.63 is: 187,434.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682.75 : 118,313.63 = 118,313.63 : x
  2. Step 2: Convert to fraction form
    74,682.75/118,313.63 = 118,313.63/x
  3. Step 3: Cross multiply
    74,682.75x = 118,313.63 × 118,313.63
  4. Step 4: Simplify right side
    74,682.75x = 13,998,113,860.64
  5. Step 5: Solve for x
    x = 13,998,113,860.64/74,682.75
  6. Step 6: Final answer
    x = 187,434.37

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.