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Finding the Third Proportional to 74,145.38 and 114,904.83

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Solution

The third proportional to 74,145.38 and 114,904.83 is: 178,070.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,145.38 : 114,904.83 = 114,904.83 : x
  2. Step 2: Convert to fraction form
    74,145.38/114,904.83 = 114,904.83/x
  3. Step 3: Cross multiply
    74,145.38x = 114,904.83 × 114,904.83
  4. Step 4: Simplify right side
    74,145.38x = 13,203,119,526.44
  5. Step 5: Solve for x
    x = 13,203,119,526.44/74,145.38
  6. Step 6: Final answer
    x = 178,070.71

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.