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Finding the Third Proportional to 6,445 and 9,373

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Solution

The third proportional to 6,445 and 9,373 is: 13,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445 : 9,373 = 9,373 : x
  2. Step 2: Convert to fraction form
    6,445/9,373 = 9,373/x
  3. Step 3: Cross multiply
    6,445x = 9,373 × 9,373
  4. Step 4: Simplify right side
    6,445x = 87,853,129
  5. Step 5: Solve for x
    x = 87,853,129/6,445
  6. Step 6: Final answer
    x = 13,631.21

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.