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Finding the Third Proportional to 47,722 and 70,124

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Solution

The third proportional to 47,722 and 70,124 is: 103,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722 : 70,124 = 70,124 : x
  2. Step 2: Convert to fraction form
    47,722/70,124 = 70,124/x
  3. Step 3: Cross multiply
    47,722x = 70,124 × 70,124
  4. Step 4: Simplify right side
    47,722x = 4,917,375,376
  5. Step 5: Solve for x
    x = 4,917,375,376/47,722
  6. Step 6: Final answer
    x = 103,042.11

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.