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Finding the Third Proportional to 6,402 and 9,697

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Solution

The third proportional to 6,402 and 9,697 is: 14,687.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,402 : 9,697 = 9,697 : x
  2. Step 2: Convert to fraction form
    6,402/9,697 = 9,697/x
  3. Step 3: Cross multiply
    6,402x = 9,697 × 9,697
  4. Step 4: Simplify right side
    6,402x = 94,031,809
  5. Step 5: Solve for x
    x = 94,031,809/6,402
  6. Step 6: Final answer
    x = 14,687.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.