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Finding the Third Proportional to 74,343.45 and 111,537.95

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Solution

The third proportional to 74,343.45 and 111,537.95 is: 167,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.45 : 111,537.95 = 111,537.95 : x
  2. Step 2: Convert to fraction form
    74,343.45/111,537.95 = 111,537.95/x
  3. Step 3: Cross multiply
    74,343.45x = 111,537.95 × 111,537.95
  4. Step 4: Simplify right side
    74,343.45x = 12,440,714,115.92
  5. Step 5: Solve for x
    x = 12,440,714,115.92/74,343.45
  6. Step 6: Final answer
    x = 167,341.10

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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.