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Finding the Third Proportional to 9,994 and 15,909

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Solution

The third proportional to 9,994 and 15,909 is: 25,324.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,994 : 15,909 = 15,909 : x
  2. Step 2: Convert to fraction form
    9,994/15,909 = 15,909/x
  3. Step 3: Cross multiply
    9,994x = 15,909 × 15,909
  4. Step 4: Simplify right side
    9,994x = 253,096,281
  5. Step 5: Solve for x
    x = 253,096,281/9,994
  6. Step 6: Final answer
    x = 25,324.82

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.