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Finding the Third Proportional to 74,568.38 and 112,937.63

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Solution

The third proportional to 74,568.38 and 112,937.63 is: 171,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,568.38 : 112,937.63 = 112,937.63 : x
  2. Step 2: Convert to fraction form
    74,568.38/112,937.63 = 112,937.63/x
  3. Step 3: Cross multiply
    74,568.38x = 112,937.63 × 112,937.63
  4. Step 4: Simplify right side
    74,568.38x = 12,754,907,140.64
  5. Step 5: Solve for x
    x = 12,754,907,140.64/74,568.38
  6. Step 6: Final answer
    x = 171,049.82

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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.