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Finding the Third Proportional to 7,331 and 10,447

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Solution

The third proportional to 7,331 and 10,447 is: 14,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331 : 10,447 = 10,447 : x
  2. Step 2: Convert to fraction form
    7,331/10,447 = 10,447/x
  3. Step 3: Cross multiply
    7,331x = 10,447 × 10,447
  4. Step 4: Simplify right side
    7,331x = 109,139,809
  5. Step 5: Solve for x
    x = 109,139,809/7,331
  6. Step 6: Final answer
    x = 14,887.44

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.