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Finding the Third Proportional to 74,529 and 112,756.50

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Solution

The third proportional to 74,529 and 112,756.50 is: 170,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,529 : 112,756.50 = 112,756.50 : x
  2. Step 2: Convert to fraction form
    74,529/112,756.50 = 112,756.50/x
  3. Step 3: Cross multiply
    74,529x = 112,756.50 × 112,756.50
  4. Step 4: Simplify right side
    74,529x = 12,714,028,292.25
  5. Step 5: Solve for x
    x = 12,714,028,292.25/74,529
  6. Step 6: Final answer
    x = 170,591.69

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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.