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Finding the Third Proportional to 74,785.69 and 112,230.38

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Solution

The third proportional to 74,785.69 and 112,230.38 is: 168,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,785.69 : 112,230.38 = 112,230.38 : x
  2. Step 2: Convert to fraction form
    74,785.69/112,230.38 = 112,230.38/x
  3. Step 3: Cross multiply
    74,785.69x = 112,230.38 × 112,230.38
  4. Step 4: Simplify right side
    74,785.69x = 12,595,657,072.64
  5. Step 5: Solve for x
    x = 12,595,657,072.64/74,785.69
  6. Step 6: Final answer
    x = 168,423.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.