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Finding the Third Proportional to 6,313 and 9,881

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Solution

The third proportional to 6,313 and 9,881 is: 15,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313 : 9,881 = 9,881 : x
  2. Step 2: Convert to fraction form
    6,313/9,881 = 9,881/x
  3. Step 3: Cross multiply
    6,313x = 9,881 × 9,881
  4. Step 4: Simplify right side
    6,313x = 97,634,161
  5. Step 5: Solve for x
    x = 97,634,161/6,313
  6. Step 6: Final answer
    x = 15,465.57

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.