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Finding the Third Proportional to 47,689.88 and 102,760.88

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Solution

The third proportional to 47,689.88 and 102,760.88 is: 221,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.88 : 102,760.88 = 102,760.88 : x
  2. Step 2: Convert to fraction form
    47,689.88/102,760.88 = 102,760.88/x
  3. Step 3: Cross multiply
    47,689.88x = 102,760.88 × 102,760.88
  4. Step 4: Simplify right side
    47,689.88x = 10,559,797,430.77
  5. Step 5: Solve for x
    x = 10,559,797,430.77/47,689.88
  6. Step 6: Final answer
    x = 221,426.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.