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Finding the Third Proportional to 7,042 and 10,307

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Solution

The third proportional to 7,042 and 10,307 is: 15,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042 : 10,307 = 10,307 : x
  2. Step 2: Convert to fraction form
    7,042/10,307 = 10,307/x
  3. Step 3: Cross multiply
    7,042x = 10,307 × 10,307
  4. Step 4: Simplify right side
    7,042x = 106,234,249
  5. Step 5: Solve for x
    x = 106,234,249/7,042
  6. Step 6: Final answer
    x = 15,085.81

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.