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Finding the Third Proportional to 74,004.75 and 112,849.13

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Solution

The third proportional to 74,004.75 and 112,849.13 is: 172,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,004.75 : 112,849.13 = 112,849.13 : x
  2. Step 2: Convert to fraction form
    74,004.75/112,849.13 = 112,849.13/x
  3. Step 3: Cross multiply
    74,004.75x = 112,849.13 × 112,849.13
  4. Step 4: Simplify right side
    74,004.75x = 12,734,925,013.27
  5. Step 5: Solve for x
    x = 12,734,925,013.27/74,004.75
  6. Step 6: Final answer
    x = 172,082.54

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.