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Finding the Third Proportional to 18,732.52 and 40,130.44

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Solution

The third proportional to 18,732.52 and 40,130.44 is: 85,970.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.52 : 40,130.44 = 40,130.44 : x
  2. Step 2: Convert to fraction form
    18,732.52/40,130.44 = 40,130.44/x
  3. Step 3: Cross multiply
    18,732.52x = 40,130.44 × 40,130.44
  4. Step 4: Simplify right side
    18,732.52x = 1,610,452,013.94
  5. Step 5: Solve for x
    x = 1,610,452,013.94/18,732.52
  6. Step 6: Final answer
    x = 85,970.94

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.