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Finding the Third Proportional to 74,392 and 104,050

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Solution

The third proportional to 74,392 and 104,050 is: 145,531.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,392 : 104,050 = 104,050 : x
  2. Step 2: Convert to fraction form
    74,392/104,050 = 104,050/x
  3. Step 3: Cross multiply
    74,392x = 104,050 × 104,050
  4. Step 4: Simplify right side
    74,392x = 10,826,402,500
  5. Step 5: Solve for x
    x = 10,826,402,500/74,392
  6. Step 6: Final answer
    x = 145,531.81

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.