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Finding the Third Proportional to 9,445 and 13,237

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Solution

The third proportional to 9,445 and 13,237 is: 18,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445 : 13,237 = 13,237 : x
  2. Step 2: Convert to fraction form
    9,445/13,237 = 13,237/x
  3. Step 3: Cross multiply
    9,445x = 13,237 × 13,237
  4. Step 4: Simplify right side
    9,445x = 175,218,169
  5. Step 5: Solve for x
    x = 175,218,169/9,445
  6. Step 6: Final answer
    x = 18,551.42

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.